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Finding the Fourth Proportional to 87,849.52, 131,787 and 28,672.88

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Solution

The fourth proportional to 87,849.52, 131,787 and 28,672.88 is: 43,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.52 : 131,787 = 28,672.88 : x
  2. Step 2: Convert to fraction form
    87,849.52/131,787 = 28,672.88/x
  3. Step 3: Cross multiply
    87,849.52x = 131,787 × 28,672.88
  4. Step 4: Simplify right side
    87,849.52x = 3,778,712,836.56
  5. Step 5: Solve for x
    x = 3,778,712,836.56/87,849.52
  6. Step 6: Final answer
    x = 43,013.47

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