Finding the Fourth Proportional to 1,124.83, 1,552.40 and 682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.83 : 1,552.40 = 682.72 : x
2. Step 2: Convert to fraction form
   1,124.83/1,552.40 = 682.72/x
3. Step 3: Cross multiply
   1,124.83x = 1,552.40 × 682.72
4. Step 4: Simplify right side
   1,124.83x = 1,059,854.53
5. Step 5: Solve for x
   x = 1,059,854.53/1,124.83
6. Step 6: Final answer
   x = 942.24