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Finding the Fourth Proportional to 85,635.36, 118,175.76 and 53,822.88

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Solution

The fourth proportional to 85,635.36, 118,175.76 and 53,822.88 is: 74,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,635.36 : 118,175.76 = 53,822.88 : x
  2. Step 2: Convert to fraction form
    85,635.36/118,175.76 = 53,822.88/x
  3. Step 3: Cross multiply
    85,635.36x = 118,175.76 × 53,822.88
  4. Step 4: Simplify right side
    85,635.36x = 6,360,559,749.39
  5. Step 5: Solve for x
    x = 6,360,559,749.39/85,635.36
  6. Step 6: Final answer
    x = 74,274.92

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