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Finding the Fourth Proportional to 85,386.46, 128,085.84 and 32,795.94

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Solution

The fourth proportional to 85,386.46, 128,085.84 and 32,795.94 is: 49,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,386.46 : 128,085.84 = 32,795.94 : x
  2. Step 2: Convert to fraction form
    85,386.46/128,085.84 = 32,795.94/x
  3. Step 3: Cross multiply
    85,386.46x = 128,085.84 × 32,795.94
  4. Step 4: Simplify right side
    85,386.46x = 4,200,695,523.49
  5. Step 5: Solve for x
    x = 4,200,695,523.49/85,386.46
  6. Step 6: Final answer
    x = 49,196.27

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