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Finding the Fourth Proportional to 6,717.08, 10,074.90 and 1,787.21

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Solution

The fourth proportional to 6,717.08, 10,074.90 and 1,787.21 is: 2,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.08 : 10,074.90 = 1,787.21 : x
  2. Step 2: Convert to fraction form
    6,717.08/10,074.90 = 1,787.21/x
  3. Step 3: Cross multiply
    6,717.08x = 10,074.90 × 1,787.21
  4. Step 4: Simplify right side
    6,717.08x = 18,005,962.03
  5. Step 5: Solve for x
    x = 18,005,962.03/6,717.08
  6. Step 6: Final answer
    x = 2,680.62

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