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Finding the Fourth Proportional to 103,683.20, 155,524.80 and 41,398.40

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Solution

The fourth proportional to 103,683.20, 155,524.80 and 41,398.40 is: 62,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683.20 : 155,524.80 = 41,398.40 : x
  2. Step 2: Convert to fraction form
    103,683.20/155,524.80 = 41,398.40/x
  3. Step 3: Cross multiply
    103,683.20x = 155,524.80 × 41,398.40
  4. Step 4: Simplify right side
    103,683.20x = 6,438,477,880.32
  5. Step 5: Solve for x
    x = 6,438,477,880.32/103,683.20
  6. Step 6: Final answer
    x = 62,097.60

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