Finding the Fourth Proportional to 2,254.39, 3,111.24 and 1,310.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.39 : 3,111.24 = 1,310.48 : x
2. Step 2: Convert to fraction form
   2,254.39/3,111.24 = 1,310.48/x
3. Step 3: Cross multiply
   2,254.39x = 3,111.24 × 1,310.48
4. Step 4: Simplify right side
   2,254.39x = 4,077,217.80
5. Step 5: Solve for x
   x = 4,077,217.80/2,254.39
6. Step 6: Final answer
   x = 1,808.57