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Finding the Fourth Proportional to 57,932.40, 87,028.20 and 55,570.80

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Solution

The fourth proportional to 57,932.40, 87,028.20 and 55,570.80 is: 83,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.40 : 87,028.20 = 55,570.80 : x
  2. Step 2: Convert to fraction form
    57,932.40/87,028.20 = 55,570.80/x
  3. Step 3: Cross multiply
    57,932.40x = 87,028.20 × 55,570.80
  4. Step 4: Simplify right side
    57,932.40x = 4,836,226,696.56
  5. Step 5: Solve for x
    x = 4,836,226,696.56/57,932.40
  6. Step 6: Final answer
    x = 83,480.52

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