Finding the Fourth Proportional to 1,998.89, 2,758.34 and 1,114.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.89 : 2,758.34 = 1,114.52 : x
2. Step 2: Convert to fraction form
   1,998.89/2,758.34 = 1,114.52/x
3. Step 3: Cross multiply
   1,998.89x = 2,758.34 × 1,114.52
4. Step 4: Simplify right side
   1,998.89x = 3,074,205.73
5. Step 5: Solve for x
   x = 3,074,205.73/1,998.89
6. Step 6: Final answer
   x = 1,537.96