Finding the Fourth Proportional to 79,661.98, 109,872.13 and 49,465.18

Step by Step Solution

1. Step 1: Write the proportion equation
   79,661.98 : 109,872.13 = 49,465.18 : x
2. Step 2: Convert to fraction form
   79,661.98/109,872.13 = 49,465.18/x
3. Step 3: Cross multiply
   79,661.98x = 109,872.13 × 49,465.18
4. Step 4: Simplify right side
   79,661.98x = 5,434,844,687.43
5. Step 5: Solve for x
   x = 5,434,844,687.43/79,661.98
6. Step 6: Final answer
   x = 68,223.82