Finding the Fourth Proportional to 1,998.37, 2,757.81 and 1,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.37 : 2,757.81 = 1,114.12 : x
2. Step 2: Convert to fraction form
   1,998.37/2,757.81 = 1,114.12/x
3. Step 3: Cross multiply
   1,998.37x = 2,757.81 × 1,114.12
4. Step 4: Simplify right side
   1,998.37x = 3,072,531.28
5. Step 5: Solve for x
   x = 3,072,531.28/1,998.37
6. Step 6: Final answer
   x = 1,537.52