Finding the Fourth Proportional to 132,567.50, 198,851.24 and 109,144.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,567.50 : 198,851.24 = 109,144.72 : x
2. Step 2: Convert to fraction form
   132,567.50/198,851.24 = 109,144.72/x
3. Step 3: Cross multiply
   132,567.50x = 198,851.24 × 109,144.72
4. Step 4: Simplify right side
   132,567.50x = 21,703,562,911.45
5. Step 5: Solve for x
   x = 21,703,562,911.45/132,567.50
6. Step 6: Final answer
   x = 163,717.07