Finding the Fourth Proportional to 1,103,695.09, 1,522,150.79 and 716,128.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,695.09 : 1,522,150.79 = 716,128.62 : x
2. Step 2: Convert to fraction form
   1,103,695.09/1,522,150.79 = 716,128.62/x
3. Step 3: Cross multiply
   1,103,695.09x = 1,522,150.79 × 716,128.62
4. Step 4: Simplify right side
   1,103,695.09x = 1,090,055,746,464.93
5. Step 5: Solve for x
   x = 1,090,055,746,464.93/1,103,695.09
6. Step 6: Final answer
   x = 987,642.11