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Finding the Fourth Proportional to 292,191.87, 438,243.96 and 92,486.37

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Solution

The fourth proportional to 292,191.87, 438,243.96 and 92,486.37 is: 138,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,191.87 : 438,243.96 = 92,486.37 : x
  2. Step 2: Convert to fraction form
    292,191.87/438,243.96 = 92,486.37/x
  3. Step 3: Cross multiply
    292,191.87x = 438,243.96 × 92,486.37
  4. Step 4: Simplify right side
    292,191.87x = 40,531,593,034.83
  5. Step 5: Solve for x
    x = 40,531,593,034.83/292,191.87
  6. Step 6: Final answer
    x = 138,715.68

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