Finding the Fourth Proportional to 62,836.17, 86,624.69 and 49,976.61

Step by Step Solution

1. Step 1: Write the proportion equation
   62,836.17 : 86,624.69 = 49,976.61 : x
2. Step 2: Convert to fraction form
   62,836.17/86,624.69 = 49,976.61/x
3. Step 3: Cross multiply
   62,836.17x = 86,624.69 × 49,976.61
4. Step 4: Simplify right side
   62,836.17x = 4,329,208,098.62
5. Step 5: Solve for x
   x = 4,329,208,098.62/62,836.17
6. Step 6: Final answer
   x = 68,896.75