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Finding the Fourth Proportional to 117,405.37, 176,107.45 and 28,659.34

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Solution

The fourth proportional to 117,405.37, 176,107.45 and 28,659.34 is: 42,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,405.37 : 176,107.45 = 28,659.34 : x
  2. Step 2: Convert to fraction form
    117,405.37/176,107.45 = 28,659.34/x
  3. Step 3: Cross multiply
    117,405.37x = 176,107.45 × 28,659.34
  4. Step 4: Simplify right side
    117,405.37x = 5,047,123,286.08
  5. Step 5: Solve for x
    x = 5,047,123,286.08/117,405.37
  6. Step 6: Final answer
    x = 42,988.86

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