Finding the Fourth Proportional to 3,595.89, 5,393.90 and 998.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,595.89 : 5,393.90 = 998.83 : x
2. Step 2: Convert to fraction form
   3,595.89/5,393.90 = 998.83/x
3. Step 3: Cross multiply
   3,595.89x = 5,393.90 × 998.83
4. Step 4: Simplify right side
   3,595.89x = 5,387,589.14
5. Step 5: Solve for x
   x = 5,387,589.14/3,595.89
6. Step 6: Final answer
   x = 1,498.26