Finding the Fourth Proportional to 2,552.48, 3,830.21 and 993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.48 : 3,830.21 = 993.56 : x
2. Step 2: Convert to fraction form
   2,552.48/3,830.21 = 993.56/x
3. Step 3: Cross multiply
   2,552.48x = 3,830.21 × 993.56
4. Step 4: Simplify right side
   2,552.48x = 3,805,538.48
5. Step 5: Solve for x
   x = 3,805,538.48/2,552.48
6. Step 6: Final answer
   x = 1,490.92