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Finding the Fourth Proportional to 8,460.96, 12,694.04 and 3,784.91

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Solution

The fourth proportional to 8,460.96, 12,694.04 and 3,784.91 is: 5,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.96 : 12,694.04 = 3,784.91 : x
  2. Step 2: Convert to fraction form
    8,460.96/12,694.04 = 3,784.91/x
  3. Step 3: Cross multiply
    8,460.96x = 12,694.04 × 3,784.91
  4. Step 4: Simplify right side
    8,460.96x = 48,045,716.54
  5. Step 5: Solve for x
    x = 48,045,716.54/8,460.96
  6. Step 6: Final answer
    x = 5,678.52

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