Finding the Fourth Proportional to 198,152.72, 296,835.41 and 109,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   198,152.72 : 296,835.41 = 109,185.56 : x
2. Step 2: Convert to fraction form
   198,152.72/296,835.41 = 109,185.56/x
3. Step 3: Cross multiply
   198,152.72x = 296,835.41 × 109,185.56
4. Step 4: Simplify right side
   198,152.72x = 32,410,138,438.57
5. Step 5: Solve for x
   x = 32,410,138,438.57/198,152.72
6. Step 6: Final answer
   x = 163,561.41