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Finding the Fourth Proportional to 185,830.82, 278,841.57 and 91,059.22

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Solution

The fourth proportional to 185,830.82, 278,841.57 and 91,059.22 is: 136,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,830.82 : 278,841.57 = 91,059.22 : x
  2. Step 2: Convert to fraction form
    185,830.82/278,841.57 = 91,059.22/x
  3. Step 3: Cross multiply
    185,830.82x = 278,841.57 × 91,059.22
  4. Step 4: Simplify right side
    185,830.82x = 25,391,095,867.78
  5. Step 5: Solve for x
    x = 25,391,095,867.78/185,830.82
  6. Step 6: Final answer
    x = 136,635.55

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