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Finding the Fourth Proportional to 86,859.41, 119,866.43 and 49,132.85

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Solution

The fourth proportional to 86,859.41, 119,866.43 and 49,132.85 is: 67,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859.41 : 119,866.43 = 49,132.85 : x
  2. Step 2: Convert to fraction form
    86,859.41/119,866.43 = 49,132.85/x
  3. Step 3: Cross multiply
    86,859.41x = 119,866.43 × 49,132.85
  4. Step 4: Simplify right side
    86,859.41x = 5,889,378,848.73
  5. Step 5: Solve for x
    x = 5,889,378,848.73/86,859.41
  6. Step 6: Final answer
    x = 67,803.58

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