Finding the Fourth Proportional to 1,040,168.10, 1,561,418.55 and 804,555.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,168.10 : 1,561,418.55 = 804,555.30 : x
2. Step 2: Convert to fraction form
   1,040,168.10/1,561,418.55 = 804,555.30/x
3. Step 3: Cross multiply
   1,040,168.10x = 1,561,418.55 × 804,555.30
4. Step 4: Simplify right side
   1,040,168.10x = 1,256,247,569,920.82
5. Step 5: Solve for x
   x = 1,256,247,569,920.82/1,040,168.10
6. Step 6: Final answer
   x = 1,207,735.14