Finding the Fourth Proportional to 404,123.10, 605,397.33 and 245,959.26

Step by Step Solution

1. Step 1: Write the proportion equation
   404,123.10 : 605,397.33 = 245,959.26 : x
2. Step 2: Convert to fraction form
   404,123.10/605,397.33 = 245,959.26/x
3. Step 3: Cross multiply
   404,123.10x = 605,397.33 × 245,959.26
4. Step 4: Simplify right side
   404,123.10x = 148,903,079,292.78
5. Step 5: Solve for x
   x = 148,903,079,292.78/404,123.10
6. Step 6: Final answer
   x = 368,459.71