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Finding the Fourth Proportional to 53,460.80, 80,191.20 and 52,683.20

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Solution

The fourth proportional to 53,460.80, 80,191.20 and 52,683.20 is: 79,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,460.80 : 80,191.20 = 52,683.20 : x
  2. Step 2: Convert to fraction form
    53,460.80/80,191.20 = 52,683.20/x
  3. Step 3: Cross multiply
    53,460.80x = 80,191.20 × 52,683.20
  4. Step 4: Simplify right side
    53,460.80x = 4,224,729,027.84
  5. Step 5: Solve for x
    x = 4,224,729,027.84/53,460.80
  6. Step 6: Final answer
    x = 79,024.80

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