Finding the Fourth Proportional to 181,355.10, 271,704.60 and 155,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   181,355.10 : 271,704.60 = 155,111.10 : x
2. Step 2: Convert to fraction form
   181,355.10/271,704.60 = 155,111.10/x
3. Step 3: Cross multiply
   181,355.10x = 271,704.60 × 155,111.10
4. Step 4: Simplify right side
   181,355.10x = 42,144,399,381.06
5. Step 5: Solve for x
   x = 42,144,399,381.06/181,355.10
6. Step 6: Final answer
   x = 232,386.07