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Finding the Fourth Proportional to 5,079.92, 7,623.11 and 2,158.22

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Solution

The fourth proportional to 5,079.92, 7,623.11 and 2,158.22 is: 3,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.92 : 7,623.11 = 2,158.22 : x
  2. Step 2: Convert to fraction form
    5,079.92/7,623.11 = 2,158.22/x
  3. Step 3: Cross multiply
    5,079.92x = 7,623.11 × 2,158.22
  4. Step 4: Simplify right side
    5,079.92x = 16,452,351.48
  5. Step 5: Solve for x
    x = 16,452,351.48/5,079.92
  6. Step 6: Final answer
    x = 3,238.71

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