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Finding the Fourth Proportional to 4,978,709.48, 7,469,393.15 and 1,784,158.58

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Solution

The fourth proportional to 4,978,709.48, 7,469,393.15 and 1,784,158.58 is: 2,676,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,709.48 : 7,469,393.15 = 1,784,158.58 : x
  2. Step 2: Convert to fraction form
    4,978,709.48/7,469,393.15 = 1,784,158.58/x
  3. Step 3: Cross multiply
    4,978,709.48x = 7,469,393.15 × 1,784,158.58
  4. Step 4: Simplify right side
    4,978,709.48x = 13,326,581,829,697.97
  5. Step 5: Solve for x
    x = 13,326,581,829,697.97/4,978,709.48
  6. Step 6: Final answer
    x = 2,676,714.10

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