Finding the Fourth Proportional to 3,595.38, 5,393.37 and 998.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,595.38 : 5,393.37 = 998.31 : x
2. Step 2: Convert to fraction form
   3,595.38/5,393.37 = 998.31/x
3. Step 3: Cross multiply
   3,595.38x = 5,393.37 × 998.31
4. Step 4: Simplify right side
   3,595.38x = 5,384,255.20
5. Step 5: Solve for x
   x = 5,384,255.20/3,595.38
6. Step 6: Final answer
   x = 1,497.55