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Finding the Fourth Proportional to 103,591.12, 155,386.76 and 44,388.40

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Solution

The fourth proportional to 103,591.12, 155,386.76 and 44,388.40 is: 66,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,591.12 : 155,386.76 = 44,388.40 : x
  2. Step 2: Convert to fraction form
    103,591.12/155,386.76 = 44,388.40/x
  3. Step 3: Cross multiply
    103,591.12x = 155,386.76 × 44,388.40
  4. Step 4: Simplify right side
    103,591.12x = 6,897,369,657.58
  5. Step 5: Solve for x
    x = 6,897,369,657.58/103,591.12
  6. Step 6: Final answer
    x = 66,582.63

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