Finding the Fourth Proportional to 155,070.72, 232,567.20 and 113,441.04

Step by Step Solution

1. Step 1: Write the proportion equation
   155,070.72 : 232,567.20 = 113,441.04 : x
2. Step 2: Convert to fraction form
   155,070.72/232,567.20 = 113,441.04/x
3. Step 3: Cross multiply
   155,070.72x = 232,567.20 × 113,441.04
4. Step 4: Simplify right side
   155,070.72x = 26,382,665,037.89
5. Step 5: Solve for x
   x = 26,382,665,037.89/155,070.72
6. Step 6: Final answer
   x = 170,133.12