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Finding the Fourth Proportional to 9,192.92, 12,687.48 and 8,942.76

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Solution

The fourth proportional to 9,192.92, 12,687.48 and 8,942.76 is: 12,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.92 : 12,687.48 = 8,942.76 : x
  2. Step 2: Convert to fraction form
    9,192.92/12,687.48 = 8,942.76/x
  3. Step 3: Cross multiply
    9,192.92x = 12,687.48 × 8,942.76
  4. Step 4: Simplify right side
    9,192.92x = 113,461,088.64
  5. Step 5: Solve for x
    x = 113,461,088.64/9,192.92
  6. Step 6: Final answer
    x = 12,342.23

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