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Finding the Fourth Proportional to 8,732.88, 13,099.08 and 2,158.92

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Solution

The fourth proportional to 8,732.88, 13,099.08 and 2,158.92 is: 3,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.88 : 13,099.08 = 2,158.92 : x
  2. Step 2: Convert to fraction form
    8,732.88/13,099.08 = 2,158.92/x
  3. Step 3: Cross multiply
    8,732.88x = 13,099.08 × 2,158.92
  4. Step 4: Simplify right side
    8,732.88x = 28,279,865.79
  5. Step 5: Solve for x
    x = 28,279,865.79/8,732.88
  6. Step 6: Final answer
    x = 3,238.32

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