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Finding the Fourth Proportional to 41,398.05, 62,078.40 and 11,808.84

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Solution

The fourth proportional to 41,398.05, 62,078.40 and 11,808.84 is: 17,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398.05 : 62,078.40 = 11,808.84 : x
  2. Step 2: Convert to fraction form
    41,398.05/62,078.40 = 11,808.84/x
  3. Step 3: Cross multiply
    41,398.05x = 62,078.40 × 11,808.84
  4. Step 4: Simplify right side
    41,398.05x = 733,073,893.06
  5. Step 5: Solve for x
    x = 733,073,893.06/41,398.05
  6. Step 6: Final answer
    x = 17,707.93

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