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Finding the Fourth Proportional to 82,438.88, 113,765.66 and 46,628.12

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Solution

The fourth proportional to 82,438.88, 113,765.66 and 46,628.12 is: 64,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,438.88 : 113,765.66 = 46,628.12 : x
  2. Step 2: Convert to fraction form
    82,438.88/113,765.66 = 46,628.12/x
  3. Step 3: Cross multiply
    82,438.88x = 113,765.66 × 46,628.12
  4. Step 4: Simplify right side
    82,438.88x = 5,304,678,044.39
  5. Step 5: Solve for x
    x = 5,304,678,044.39/82,438.88
  6. Step 6: Final answer
    x = 64,346.80

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