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Finding the Fourth Proportional to 92,930.75, 128,250.78 and 52,644.84

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Solution

The fourth proportional to 92,930.75, 128,250.78 and 52,644.84 is: 72,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,930.75 : 128,250.78 = 52,644.84 : x
  2. Step 2: Convert to fraction form
    92,930.75/128,250.78 = 52,644.84/x
  3. Step 3: Cross multiply
    92,930.75x = 128,250.78 × 52,644.84
  4. Step 4: Simplify right side
    92,930.75x = 6,751,741,792.98
  5. Step 5: Solve for x
    x = 6,751,741,792.98/92,930.75
  6. Step 6: Final answer
    x = 72,653.47

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