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Finding the Fourth Proportional to 22,920.77, 34,384.45 and 8,694.48

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Solution

The fourth proportional to 22,920.77, 34,384.45 and 8,694.48 is: 13,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.77 : 34,384.45 = 8,694.48 : x
  2. Step 2: Convert to fraction form
    22,920.77/34,384.45 = 8,694.48/x
  3. Step 3: Cross multiply
    22,920.77x = 34,384.45 × 8,694.48
  4. Step 4: Simplify right side
    22,920.77x = 298,954,912.84
  5. Step 5: Solve for x
    x = 298,954,912.84/22,920.77
  6. Step 6: Final answer
    x = 13,042.97

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