Finding the Fourth Proportional to 1,124.86, 1,552.27 and 627.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.86 : 1,552.27 = 627.49 : x
2. Step 2: Convert to fraction form
   1,124.86/1,552.27 = 627.49/x
3. Step 3: Cross multiply
   1,124.86x = 1,552.27 × 627.49
4. Step 4: Simplify right side
   1,124.86x = 974,033.90
5. Step 5: Solve for x
   x = 974,033.90/1,124.86
6. Step 6: Final answer
   x = 865.92