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Finding the Fourth Proportional to 23,000.92, 31,741.58 and 12,928.77

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Solution

The fourth proportional to 23,000.92, 31,741.58 and 12,928.77 is: 17,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.92 : 31,741.58 = 12,928.77 : x
  2. Step 2: Convert to fraction form
    23,000.92/31,741.58 = 12,928.77/x
  3. Step 3: Cross multiply
    23,000.92x = 31,741.58 × 12,928.77
  4. Step 4: Simplify right side
    23,000.92x = 410,379,619.58
  5. Step 5: Solve for x
    x = 410,379,619.58/23,000.92
  6. Step 6: Final answer
    x = 17,841.88

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