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Finding the Fourth Proportional to 64,718.56, 89,314.80 and 36,427.36

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Solution

The fourth proportional to 64,718.56, 89,314.80 and 36,427.36 is: 50,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.56 : 89,314.80 = 36,427.36 : x
  2. Step 2: Convert to fraction form
    64,718.56/89,314.80 = 36,427.36/x
  3. Step 3: Cross multiply
    64,718.56x = 89,314.80 × 36,427.36
  4. Step 4: Simplify right side
    64,718.56x = 3,253,502,372.93
  5. Step 5: Solve for x
    x = 3,253,502,372.93/64,718.56
  6. Step 6: Final answer
    x = 50,271.55

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