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Finding the Fourth Proportional to 185,553.60, 278,373.54 and 78,943.38

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Solution

The fourth proportional to 185,553.60, 278,373.54 and 78,943.38 is: 118,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,553.60 : 278,373.54 = 78,943.38 : x
  2. Step 2: Convert to fraction form
    185,553.60/278,373.54 = 78,943.38/x
  3. Step 3: Cross multiply
    185,553.60x = 278,373.54 × 78,943.38
  4. Step 4: Simplify right side
    185,553.60x = 21,975,748,150.17
  5. Step 5: Solve for x
    x = 21,975,748,150.17/185,553.60
  6. Step 6: Final answer
    x = 118,433.42

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