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Finding the Fourth Proportional to 55,758.68, 76,840.68 and 54,733.92

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Solution

The fourth proportional to 55,758.68, 76,840.68 and 54,733.92 is: 75,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.68 : 76,840.68 = 54,733.92 : x
  2. Step 2: Convert to fraction form
    55,758.68/76,840.68 = 54,733.92/x
  3. Step 3: Cross multiply
    55,758.68x = 76,840.68 × 54,733.92
  4. Step 4: Simplify right side
    55,758.68x = 4,205,791,631.87
  5. Step 5: Solve for x
    x = 4,205,791,631.87/55,758.68
  6. Step 6: Final answer
    x = 75,428.46

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