Finding the Fourth Proportional to 2,254.82, 3,111.21 and 1,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.82 : 3,111.21 = 1,310.72 : x
2. Step 2: Convert to fraction form
   2,254.82/3,111.21 = 1,310.72/x
3. Step 3: Cross multiply
   2,254.82x = 3,111.21 × 1,310.72
4. Step 4: Simplify right side
   2,254.82x = 4,077,909.62
5. Step 5: Solve for x
   x = 4,077,909.62/2,254.82
6. Step 6: Final answer
   x = 1,808.53