Finding the Fourth Proportional to 2,023.32, 3,035.52 and 724.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.32 : 3,035.52 = 724.80 : x
2. Step 2: Convert to fraction form
   2,023.32/3,035.52 = 724.80/x
3. Step 3: Cross multiply
   2,023.32x = 3,035.52 × 724.80
4. Step 4: Simplify right side
   2,023.32x = 2,200,144.90
5. Step 5: Solve for x
   x = 2,200,144.90/2,023.32
6. Step 6: Final answer
   x = 1,087.39