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Finding the Fourth Proportional to 117,540.81, 176,310 and 28,794.78

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Solution

The fourth proportional to 117,540.81, 176,310 and 28,794.78 is: 43,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540.81 : 176,310 = 28,794.78 : x
  2. Step 2: Convert to fraction form
    117,540.81/176,310 = 28,794.78/x
  3. Step 3: Cross multiply
    117,540.81x = 176,310 × 28,794.78
  4. Step 4: Simplify right side
    117,540.81x = 5,076,807,661.80
  5. Step 5: Solve for x
    x = 5,076,807,661.80/117,540.81
  6. Step 6: Final answer
    x = 43,191.87

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