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Finding the Fourth Proportional to 52,921.82, 79,377.90 and 17,861.78

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Solution

The fourth proportional to 52,921.82, 79,377.90 and 17,861.78 is: 26,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.82 : 79,377.90 = 17,861.78 : x
  2. Step 2: Convert to fraction form
    52,921.82/79,377.90 = 17,861.78/x
  3. Step 3: Cross multiply
    52,921.82x = 79,377.90 × 17,861.78
  4. Step 4: Simplify right side
    52,921.82x = 1,417,830,586.66
  5. Step 5: Solve for x
    x = 1,417,830,586.66/52,921.82
  6. Step 6: Final answer
    x = 26,791.04

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