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Finding the Fourth Proportional to 5,817.76, 8,720.96 and 3,731.92

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Solution

The fourth proportional to 5,817.76, 8,720.96 and 3,731.92 is: 5,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.76 : 8,720.96 = 3,731.92 : x
  2. Step 2: Convert to fraction form
    5,817.76/8,720.96 = 3,731.92/x
  3. Step 3: Cross multiply
    5,817.76x = 8,720.96 × 3,731.92
  4. Step 4: Simplify right side
    5,817.76x = 32,545,925.04
  5. Step 5: Solve for x
    x = 32,545,925.04/5,817.76
  6. Step 6: Final answer
    x = 5,594.24

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