Finding the Fourth Proportional to 404,417.94, 606,698.22 and 138,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   404,417.94 : 606,698.22 = 138,116.04 : x
2. Step 2: Convert to fraction form
   404,417.94/606,698.22 = 138,116.04/x
3. Step 3: Cross multiply
   404,417.94x = 606,698.22 × 138,116.04
4. Step 4: Simplify right side
   404,417.94x = 83,794,755,621.45
5. Step 5: Solve for x
   x = 83,794,755,621.45/404,417.94
6. Step 6: Final answer
   x = 207,198.41