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Finding the Fourth Proportional to 60,219.20, 90,328.80 and 25,147.20

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Solution

The fourth proportional to 60,219.20, 90,328.80 and 25,147.20 is: 37,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219.20 : 90,328.80 = 25,147.20 : x
  2. Step 2: Convert to fraction form
    60,219.20/90,328.80 = 25,147.20/x
  3. Step 3: Cross multiply
    60,219.20x = 90,328.80 × 25,147.20
  4. Step 4: Simplify right side
    60,219.20x = 2,271,516,399.36
  5. Step 5: Solve for x
    x = 2,271,516,399.36/60,219.20
  6. Step 6: Final answer
    x = 37,720.80

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