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Finding the Fourth Proportional to 92,390.76, 127,499.30 and 49,949.60

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Solution

The fourth proportional to 92,390.76, 127,499.30 and 49,949.60 is: 68,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,390.76 : 127,499.30 = 49,949.60 : x
  2. Step 2: Convert to fraction form
    92,390.76/127,499.30 = 49,949.60/x
  3. Step 3: Cross multiply
    92,390.76x = 127,499.30 × 49,949.60
  4. Step 4: Simplify right side
    92,390.76x = 6,368,539,035.28
  5. Step 5: Solve for x
    x = 6,368,539,035.28/92,390.76
  6. Step 6: Final answer
    x = 68,930.48

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