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Finding the Fourth Proportional to 42,327.72, 63,495.80 and 15,680.88

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Solution

The fourth proportional to 42,327.72, 63,495.80 and 15,680.88 is: 23,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,327.72 : 63,495.80 = 15,680.88 : x
  2. Step 2: Convert to fraction form
    42,327.72/63,495.80 = 15,680.88/x
  3. Step 3: Cross multiply
    42,327.72x = 63,495.80 × 15,680.88
  4. Step 4: Simplify right side
    42,327.72x = 995,670,020.30
  5. Step 5: Solve for x
    x = 995,670,020.30/42,327.72
  6. Step 6: Final answer
    x = 23,522.88

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