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Finding the Fourth Proportional to 388,812.13, 583,218.20 and 93,324.13

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Solution

The fourth proportional to 388,812.13, 583,218.20 and 93,324.13 is: 139,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,812.13 : 583,218.20 = 93,324.13 : x
  2. Step 2: Convert to fraction form
    388,812.13/583,218.20 = 93,324.13/x
  3. Step 3: Cross multiply
    388,812.13x = 583,218.20 × 93,324.13
  4. Step 4: Simplify right side
    388,812.13x = 54,428,327,732.45
  5. Step 5: Solve for x
    x = 54,428,327,732.45/388,812.13
  6. Step 6: Final answer
    x = 139,986.19

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