Finding the Fourth Proportional to 1,998.18, 2,757.56 and 1,114.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.18 : 2,757.56 = 1,114.07 : x
2. Step 2: Convert to fraction form
   1,998.18/2,757.56 = 1,114.07/x
3. Step 3: Cross multiply
   1,998.18x = 2,757.56 × 1,114.07
4. Step 4: Simplify right side
   1,998.18x = 3,072,095.51
5. Step 5: Solve for x
   x = 3,072,095.51/1,998.18
6. Step 6: Final answer
   x = 1,537.45