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Finding the Fourth Proportional to 366,306.60, 549,557.10 and 129,624.60

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Solution

The fourth proportional to 366,306.60, 549,557.10 and 129,624.60 is: 194,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,306.60 : 549,557.10 = 129,624.60 : x
  2. Step 2: Convert to fraction form
    366,306.60/549,557.10 = 129,624.60/x
  3. Step 3: Cross multiply
    366,306.60x = 549,557.10 × 129,624.60
  4. Step 4: Simplify right side
    366,306.60x = 71,236,119,264.66
  5. Step 5: Solve for x
    x = 71,236,119,264.66/366,306.60
  6. Step 6: Final answer
    x = 194,471.30

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