Finding the Fourth Proportional to 1,136,601.78, 1,568,502.73 and 627,304.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,601.78 : 1,568,502.73 = 627,304.15 : x
2. Step 2: Convert to fraction form
   1,136,601.78/1,568,502.73 = 627,304.15/x
3. Step 3: Cross multiply
   1,136,601.78x = 1,568,502.73 × 627,304.15
4. Step 4: Simplify right side
   1,136,601.78x = 983,928,271,815.33
5. Step 5: Solve for x
   x = 983,928,271,815.33/1,136,601.78
6. Step 6: Final answer
   x = 865,675.47