Finding the Fourth Proportional to 404,415.94, 606,695.22 and 138,114.04

Step by Step Solution

1. Step 1: Write the proportion equation
   404,415.94 : 606,695.22 = 138,114.04 : x
2. Step 2: Convert to fraction form
   404,415.94/606,695.22 = 138,114.04/x
3. Step 3: Cross multiply
   404,415.94x = 606,695.22 × 138,114.04
4. Step 4: Simplify right side
   404,415.94x = 83,793,127,882.89
5. Step 5: Solve for x
   x = 83,793,127,882.89/404,415.94
6. Step 6: Final answer
   x = 207,195.41