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Finding the Fourth Proportional to 85,877.22, 128,852.91 and 46,462.08

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Solution

The fourth proportional to 85,877.22, 128,852.91 and 46,462.08 is: 69,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,877.22 : 128,852.91 = 46,462.08 : x
  2. Step 2: Convert to fraction form
    85,877.22/128,852.91 = 46,462.08/x
  3. Step 3: Cross multiply
    85,877.22x = 128,852.91 × 46,462.08
  4. Step 4: Simplify right side
    85,877.22x = 5,986,774,212.65
  5. Step 5: Solve for x
    x = 5,986,774,212.65/85,877.22
  6. Step 6: Final answer
    x = 69,713.18

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