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Finding the Fourth Proportional to 55,222.80, 82,736.60 and 53,395.60

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Solution

The fourth proportional to 55,222.80, 82,736.60 and 53,395.60 is: 79,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.80 : 82,736.60 = 53,395.60 : x
  2. Step 2: Convert to fraction form
    55,222.80/82,736.60 = 53,395.60/x
  3. Step 3: Cross multiply
    55,222.80x = 82,736.60 × 53,395.60
  4. Step 4: Simplify right side
    55,222.80x = 4,417,770,398.96
  5. Step 5: Solve for x
    x = 4,417,770,398.96/55,222.80
  6. Step 6: Final answer
    x = 79,999.03

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