Finding the Fourth Proportional to 404,414.94, 606,693.72 and 138,113.04

Step by Step Solution

1. Step 1: Write the proportion equation
   404,414.94 : 606,693.72 = 138,113.04 : x
2. Step 2: Convert to fraction form
   404,414.94/606,693.72 = 138,113.04/x
3. Step 3: Cross multiply
   404,414.94x = 606,693.72 × 138,113.04
4. Step 4: Simplify right side
   404,414.94x = 83,792,314,018.11
5. Step 5: Solve for x
   x = 83,792,314,018.11/404,414.94
6. Step 6: Final answer
   x = 207,193.91