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Finding the Fourth Proportional to 244,636.40, 366,954.60 and 78,441.20

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Solution

The fourth proportional to 244,636.40, 366,954.60 and 78,441.20 is: 117,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,636.40 : 366,954.60 = 78,441.20 : x
  2. Step 2: Convert to fraction form
    244,636.40/366,954.60 = 78,441.20/x
  3. Step 3: Cross multiply
    244,636.40x = 366,954.60 × 78,441.20
  4. Step 4: Simplify right side
    244,636.40x = 28,784,359,169.52
  5. Step 5: Solve for x
    x = 28,784,359,169.52/244,636.40
  6. Step 6: Final answer
    x = 117,661.80

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