Finding the Fourth Proportional to 132,399.84, 198,612.72 and 43,617.12

Step by Step Solution

1. Step 1: Write the proportion equation
   132,399.84 : 198,612.72 = 43,617.12 : x
2. Step 2: Convert to fraction form
   132,399.84/198,612.72 = 43,617.12/x
3. Step 3: Cross multiply
   132,399.84x = 198,612.72 × 43,617.12
4. Step 4: Simplify right side
   132,399.84x = 8,662,914,841.77
5. Step 5: Solve for x
   x = 8,662,914,841.77/132,399.84
6. Step 6: Final answer
   x = 65,429.95