Finding the Fourth Proportional to 2,454.80, 3,682.17 and 993.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.80 : 3,682.17 = 993.96 : x
2. Step 2: Convert to fraction form
   2,454.80/3,682.17 = 993.96/x
3. Step 3: Cross multiply
   2,454.80x = 3,682.17 × 993.96
4. Step 4: Simplify right side
   2,454.80x = 3,659,929.69
5. Step 5: Solve for x
   x = 3,659,929.69/2,454.80
6. Step 6: Final answer
   x = 1,490.93