Finding the Fourth Proportional to 181,173.10, 271,431.60 and 154,929.10

Step by Step Solution

1. Step 1: Write the proportion equation
   181,173.10 : 271,431.60 = 154,929.10 : x
2. Step 2: Convert to fraction form
   181,173.10/271,431.60 = 154,929.10/x
3. Step 3: Cross multiply
   181,173.10x = 271,431.60 × 154,929.10
4. Step 4: Simplify right side
   181,173.10x = 42,052,653,499.56
5. Step 5: Solve for x
   x = 42,052,653,499.56/181,173.10
6. Step 6: Final answer
   x = 232,113.12