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Finding the Fourth Proportional to 9,712.62, 14,568.93 and 2,787.12

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Solution

The fourth proportional to 9,712.62, 14,568.93 and 2,787.12 is: 4,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.62 : 14,568.93 = 2,787.12 : x
  2. Step 2: Convert to fraction form
    9,712.62/14,568.93 = 2,787.12/x
  3. Step 3: Cross multiply
    9,712.62x = 14,568.93 × 2,787.12
  4. Step 4: Simplify right side
    9,712.62x = 40,605,356.18
  5. Step 5: Solve for x
    x = 40,605,356.18/9,712.62
  6. Step 6: Final answer
    x = 4,180.68

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