Finding the Fourth Proportional to 1,124.89, 1,552.37 and 627.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.89 : 1,552.37 = 627.55 : x
2. Step 2: Convert to fraction form
   1,124.89/1,552.37 = 627.55/x
3. Step 3: Cross multiply
   1,124.89x = 1,552.37 × 627.55
4. Step 4: Simplify right side
   1,124.89x = 974,182.77
5. Step 5: Solve for x
   x = 974,182.77/1,124.89
6. Step 6: Final answer
   x = 866.03