Finding the Fourth Proportional to 492,123.27, 738,114.79 and 155,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   492,123.27 : 738,114.79 = 155,120.10 : x
2. Step 2: Convert to fraction form
   492,123.27/738,114.79 = 155,120.10/x
3. Step 3: Cross multiply
   492,123.27x = 738,114.79 × 155,120.10
4. Step 4: Simplify right side
   492,123.27x = 114,496,440,036.28
5. Step 5: Solve for x
   x = 114,496,440,036.28/492,123.27
6. Step 6: Final answer
   x = 232,658.05