Finding the Fourth Proportional to 1,136,520.17, 1,568,390.59 and 627,222.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,520.17 : 1,568,390.59 = 627,222.59 : x
2. Step 2: Convert to fraction form
   1,136,520.17/1,568,390.59 = 627,222.59/x
3. Step 3: Cross multiply
   1,136,520.17x = 1,568,390.59 × 627,222.59
4. Step 4: Simplify right side
   1,136,520.17x = 983,730,007,991.43
5. Step 5: Solve for x
   x = 983,730,007,991.43/1,136,520.17
6. Step 6: Final answer
   x = 865,563.18