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Finding the Fourth Proportional to 23,398.28, 32,289.54 and 12,787.91

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Solution

The fourth proportional to 23,398.28, 32,289.54 and 12,787.91 is: 17,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.28 : 32,289.54 = 12,787.91 : x
  2. Step 2: Convert to fraction form
    23,398.28/32,289.54 = 12,787.91/x
  3. Step 3: Cross multiply
    23,398.28x = 32,289.54 × 12,787.91
  4. Step 4: Simplify right side
    23,398.28x = 412,915,570.01
  5. Step 5: Solve for x
    x = 412,915,570.01/23,398.28
  6. Step 6: Final answer
    x = 17,647.27

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