Finding the Fourth Proportional to 1,124.58, 1,552.17 and 682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.58 : 1,552.17 = 682.50 : x
2. Step 2: Convert to fraction form
   1,124.58/1,552.17 = 682.50/x
3. Step 3: Cross multiply
   1,124.58x = 1,552.17 × 682.50
4. Step 4: Simplify right side
   1,124.58x = 1,059,356.03
5. Step 5: Solve for x
   x = 1,059,356.03/1,124.58
6. Step 6: Final answer
   x = 942.00