Finding the Fourth Proportional to 1,105,707, 1,525,951.98 and 622,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,707 : 1,525,951.98 = 622,317.72 : x
2. Step 2: Convert to fraction form
   1,105,707/1,525,951.98 = 622,317.72/x
3. Step 3: Cross multiply
   1,105,707x = 1,525,951.98 × 622,317.72
4. Step 4: Simplify right side
   1,105,707x = 949,626,957,023.09
5. Step 5: Solve for x
   x = 949,626,957,023.09/1,105,707
6. Step 6: Final answer
   x = 858,841.41