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Finding the Fourth Proportional to 104,644.12, 156,962.70 and 45,479.86

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Solution

The fourth proportional to 104,644.12, 156,962.70 and 45,479.86 is: 68,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.12 : 156,962.70 = 45,479.86 : x
  2. Step 2: Convert to fraction form
    104,644.12/156,962.70 = 45,479.86/x
  3. Step 3: Cross multiply
    104,644.12x = 156,962.70 × 45,479.86
  4. Step 4: Simplify right side
    104,644.12x = 7,138,641,621.22
  5. Step 5: Solve for x
    x = 7,138,641,621.22/104,644.12
  6. Step 6: Final answer
    x = 68,218.28

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