Finding the Fourth Proportional to 81,560.88, 112,553.16 and 49,727.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,560.88 : 112,553.16 = 49,727.76 : x
2. Step 2: Convert to fraction form
   81,560.88/112,553.16 = 49,727.76/x
3. Step 3: Cross multiply
   81,560.88x = 112,553.16 × 49,727.76
4. Step 4: Simplify right side
   81,560.88x = 5,597,016,527.72
5. Step 5: Solve for x
   x = 5,597,016,527.72/81,560.88
6. Step 6: Final answer
   x = 68,623.79