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Finding the Fourth Proportional to 32,161.28, 48,241.92 and 8,787.20

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Solution

The fourth proportional to 32,161.28, 48,241.92 and 8,787.20 is: 13,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.28 : 48,241.92 = 8,787.20 : x
  2. Step 2: Convert to fraction form
    32,161.28/48,241.92 = 8,787.20/x
  3. Step 3: Cross multiply
    32,161.28x = 48,241.92 × 8,787.20
  4. Step 4: Simplify right side
    32,161.28x = 423,911,399.42
  5. Step 5: Solve for x
    x = 423,911,399.42/32,161.28
  6. Step 6: Final answer
    x = 13,180.80

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