Finding the Fourth Proportional to 2,367.87, 3,551.71 and 724.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.87 : 3,551.71 = 724.42 : x
2. Step 2: Convert to fraction form
   2,367.87/3,551.71 = 724.42/x
3. Step 3: Cross multiply
   2,367.87x = 3,551.71 × 724.42
4. Step 4: Simplify right side
   2,367.87x = 2,572,929.76
5. Step 5: Solve for x
   x = 2,572,929.76/2,367.87
6. Step 6: Final answer
   x = 1,086.60