Finding the Fourth Proportional to 2,383.79, 3,573.32 and 998.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.79 : 3,573.32 = 998.06 : x
2. Step 2: Convert to fraction form
   2,383.79/3,573.32 = 998.06/x
3. Step 3: Cross multiply
   2,383.79x = 3,573.32 × 998.06
4. Step 4: Simplify right side
   2,383.79x = 3,566,364.90
5. Step 5: Solve for x
   x = 3,566,364.90/2,383.79
6. Step 6: Final answer
   x = 1,496.09