Finding the Fourth Proportional to 1,998.25, 2,757.33 and 1,158.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.25 : 2,757.33 = 1,158.83 : x
2. Step 2: Convert to fraction form
   1,998.25/2,757.33 = 1,158.83/x
3. Step 3: Cross multiply
   1,998.25x = 2,757.33 × 1,158.83
4. Step 4: Simplify right side
   1,998.25x = 3,195,276.72
5. Step 5: Solve for x
   x = 3,195,276.72/1,998.25
6. Step 6: Final answer
   x = 1,599.04