Finding the Fourth Proportional to 404,401.41, 606,617.61 and 104,874.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,401.41 : 606,617.61 = 104,874.15 : x
2. Step 2: Convert to fraction form
   404,401.41/606,617.61 = 104,874.15/x
3. Step 3: Cross multiply
   404,401.41x = 606,617.61 × 104,874.15
4. Step 4: Simplify right side
   404,401.41x = 63,618,506,223.78
5. Step 5: Solve for x
   x = 63,618,506,223.78/404,401.41
6. Step 6: Final answer
   x = 157,315.24