Finding the Fourth Proportional to 2,111.41, 3,166.33 and 724.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.41 : 3,166.33 = 724.35 : x
2. Step 2: Convert to fraction form
   2,111.41/3,166.33 = 724.35/x
3. Step 3: Cross multiply
   2,111.41x = 3,166.33 × 724.35
4. Step 4: Simplify right side
   2,111.41x = 2,293,531.14
5. Step 5: Solve for x
   x = 2,293,531.14/2,111.41
6. Step 6: Final answer
   x = 1,086.26