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Finding the Fourth Proportional to 99,553.11, 149,348.07 and 28,472.73

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Solution

The fourth proportional to 99,553.11, 149,348.07 and 28,472.73 is: 42,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,553.11 : 149,348.07 = 28,472.73 : x
  2. Step 2: Convert to fraction form
    99,553.11/149,348.07 = 28,472.73/x
  3. Step 3: Cross multiply
    99,553.11x = 149,348.07 × 28,472.73
  4. Step 4: Simplify right side
    99,553.11x = 4,252,347,273.13
  5. Step 5: Solve for x
    x = 4,252,347,273.13/99,553.11
  6. Step 6: Final answer
    x = 42,714.36

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