Finding the Fourth Proportional to 2,384.60, 3,577.98 and 998.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.60 : 3,577.98 = 998.96 : x
2. Step 2: Convert to fraction form
   2,384.60/3,577.98 = 998.96/x
3. Step 3: Cross multiply
   2,384.60x = 3,577.98 × 998.96
4. Step 4: Simplify right side
   2,384.60x = 3,574,258.90
5. Step 5: Solve for x
   x = 3,574,258.90/2,384.60
6. Step 6: Final answer
   x = 1,498.89