Finding the Fourth Proportional to 79,684.48, 109,949.56 and 49,477.15

Step by Step Solution

1. Step 1: Write the proportion equation
   79,684.48 : 109,949.56 = 49,477.15 : x
2. Step 2: Convert to fraction form
   79,684.48/109,949.56 = 49,477.15/x
3. Step 3: Cross multiply
   79,684.48x = 109,949.56 × 49,477.15
4. Step 4: Simplify right side
   79,684.48x = 5,439,990,872.55
5. Step 5: Solve for x
   x = 5,439,990,872.55/79,684.48
6. Step 6: Final answer
   x = 68,269.14