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Finding the Fourth Proportional to 16,042.28, 22,139.56 and 8,968.28

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Solution

The fourth proportional to 16,042.28, 22,139.56 and 8,968.28 is: 12,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.28 : 22,139.56 = 8,968.28 : x
  2. Step 2: Convert to fraction form
    16,042.28/22,139.56 = 8,968.28/x
  3. Step 3: Cross multiply
    16,042.28x = 22,139.56 × 8,968.28
  4. Step 4: Simplify right side
    16,042.28x = 198,553,773.16
  5. Step 5: Solve for x
    x = 198,553,773.16/16,042.28
  6. Step 6: Final answer
    x = 12,376.90

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