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Finding the Fourth Proportional to 55,484.78, 83,227.20 and 18,548.78

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Solution

The fourth proportional to 55,484.78, 83,227.20 and 18,548.78 is: 27,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,484.78 : 83,227.20 = 18,548.78 : x
  2. Step 2: Convert to fraction form
    55,484.78/83,227.20 = 18,548.78/x
  3. Step 3: Cross multiply
    55,484.78x = 83,227.20 × 18,548.78
  4. Step 4: Simplify right side
    55,484.78x = 1,543,763,022.82
  5. Step 5: Solve for x
    x = 1,543,763,022.82/55,484.78
  6. Step 6: Final answer
    x = 27,823.18

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