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Finding the Fourth Proportional to 78,794.20, 118,191.30 and 23,390.20

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Solution

The fourth proportional to 78,794.20, 118,191.30 and 23,390.20 is: 35,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.20 : 118,191.30 = 23,390.20 : x
  2. Step 2: Convert to fraction form
    78,794.20/118,191.30 = 23,390.20/x
  3. Step 3: Cross multiply
    78,794.20x = 118,191.30 × 23,390.20
  4. Step 4: Simplify right side
    78,794.20x = 2,764,518,145.26
  5. Step 5: Solve for x
    x = 2,764,518,145.26/78,794.20
  6. Step 6: Final answer
    x = 35,085.30

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