Finding the Fourth Proportional to 2,552.40, 3,829.61 and 993.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.40 : 3,829.61 = 993.15 : x
2. Step 2: Convert to fraction form
   2,552.40/3,829.61 = 993.15/x
3. Step 3: Cross multiply
   2,552.40x = 3,829.61 × 993.15
4. Step 4: Simplify right side
   2,552.40x = 3,803,377.17
5. Step 5: Solve for x
   x = 3,803,377.17/2,552.40
6. Step 6: Final answer
   x = 1,490.12