Finding the Fourth Proportional to 1,124.39, 1,551.59 and 627.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.39 : 1,551.59 = 627.06 : x
2. Step 2: Convert to fraction form
   1,124.39/1,551.59 = 627.06/x
3. Step 3: Cross multiply
   1,124.39x = 1,551.59 × 627.06
4. Step 4: Simplify right side
   1,124.39x = 972,947.41
5. Step 5: Solve for x
   x = 972,947.41/1,124.39
6. Step 6: Final answer
   x = 865.31