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Finding the Fourth Proportional to 117,377.80, 176,066.70 and 28,630.60

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Solution

The fourth proportional to 117,377.80, 176,066.70 and 28,630.60 is: 42,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,377.80 : 176,066.70 = 28,630.60 : x
  2. Step 2: Convert to fraction form
    117,377.80/176,066.70 = 28,630.60/x
  3. Step 3: Cross multiply
    117,377.80x = 176,066.70 × 28,630.60
  4. Step 4: Simplify right side
    117,377.80x = 5,040,895,261.02
  5. Step 5: Solve for x
    x = 5,040,895,261.02/117,377.80
  6. Step 6: Final answer
    x = 42,945.90

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