Finding the Fourth Proportional to 79,498.56, 109,700.88 and 43,688.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,498.56 : 109,700.88 = 43,688.16 : x
2. Step 2: Convert to fraction form
   79,498.56/109,700.88 = 43,688.16/x
3. Step 3: Cross multiply
   79,498.56x = 109,700.88 × 43,688.16
4. Step 4: Simplify right side
   79,498.56x = 4,792,629,597.58
5. Step 5: Solve for x
   x = 4,792,629,597.58/79,498.56
6. Step 6: Final answer
   x = 60,285.74