Finding the Fourth Proportional to 1,124.22, 1,551.31 and 682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.22 : 1,551.31 = 682.10 : x
2. Step 2: Convert to fraction form
   1,124.22/1,551.31 = 682.10/x
3. Step 3: Cross multiply
   1,124.22x = 1,551.31 × 682.10
4. Step 4: Simplify right side
   1,124.22x = 1,058,148.55
5. Step 5: Solve for x
   x = 1,058,148.55/1,124.22
6. Step 6: Final answer
   x = 941.23