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Finding the Fourth Proportional to 5,787.81, 8,670.10 and 2,663.46

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Solution

The fourth proportional to 5,787.81, 8,670.10 and 2,663.46 is: 3,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.81 : 8,670.10 = 2,663.46 : x
  2. Step 2: Convert to fraction form
    5,787.81/8,670.10 = 2,663.46/x
  3. Step 3: Cross multiply
    5,787.81x = 8,670.10 × 2,663.46
  4. Step 4: Simplify right side
    5,787.81x = 23,092,464.55
  5. Step 5: Solve for x
    x = 23,092,464.55/5,787.81
  6. Step 6: Final answer
    x = 3,989.84

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