Finding the Fourth Proportional to 2,384.92, 3,578.37 and 998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.92 : 3,578.37 = 998.56 : x
2. Step 2: Convert to fraction form
   2,384.92/3,578.37 = 998.56/x
3. Step 3: Cross multiply
   2,384.92x = 3,578.37 × 998.56
4. Step 4: Simplify right side
   2,384.92x = 3,573,217.15
5. Step 5: Solve for x
   x = 3,573,217.15/2,384.92
6. Step 6: Final answer
   x = 1,498.25