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Finding the Fourth Proportional to 292,990.80, 439,428.60 and 95,998.80

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Solution

The fourth proportional to 292,990.80, 439,428.60 and 95,998.80 is: 143,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,990.80 : 439,428.60 = 95,998.80 : x
  2. Step 2: Convert to fraction form
    292,990.80/439,428.60 = 95,998.80/x
  3. Step 3: Cross multiply
    292,990.80x = 439,428.60 × 95,998.80
  4. Step 4: Simplify right side
    292,990.80x = 42,184,618,285.68
  5. Step 5: Solve for x
    x = 42,184,618,285.68/292,990.80
  6. Step 6: Final answer
    x = 143,979.33

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