Finding the Fourth Proportional to 1,998.63, 2,758.10 and 1,114.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.63 : 2,758.10 = 1,114.43 : x
2. Step 2: Convert to fraction form
   1,998.63/2,758.10 = 1,114.43/x
3. Step 3: Cross multiply
   1,998.63x = 2,758.10 × 1,114.43
4. Step 4: Simplify right side
   1,998.63x = 3,073,690.02
5. Step 5: Solve for x
   x = 3,073,690.02/1,998.63
6. Step 6: Final answer
   x = 1,537.90