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Finding the Fourth Proportional to 5,872.38, 8,808.56 and 1,976.78

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Solution

The fourth proportional to 5,872.38, 8,808.56 and 1,976.78 is: 2,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.38 : 8,808.56 = 1,976.78 : x
  2. Step 2: Convert to fraction form
    5,872.38/8,808.56 = 1,976.78/x
  3. Step 3: Cross multiply
    5,872.38x = 8,808.56 × 1,976.78
  4. Step 4: Simplify right side
    5,872.38x = 17,412,585.24
  5. Step 5: Solve for x
    x = 17,412,585.24/5,872.38
  6. Step 6: Final answer
    x = 2,965.17

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