Finding the Fourth Proportional to 2,254.62, 3,111.94 and 1,311.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.62 : 3,111.94 = 1,311.16 : x
2. Step 2: Convert to fraction form
   2,254.62/3,111.94 = 1,311.16/x
3. Step 3: Cross multiply
   2,254.62x = 3,111.94 × 1,311.16
4. Step 4: Simplify right side
   2,254.62x = 4,080,251.25
5. Step 5: Solve for x
   x = 4,080,251.25/2,254.62
6. Step 6: Final answer
   x = 1,809.73