Finding the Fourth Proportional to 2,256.72, 3,112.12 and 1,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.72 : 3,112.12 = 1,510.80 : x
2. Step 2: Convert to fraction form
   2,256.72/3,112.12 = 1,510.80/x
3. Step 3: Cross multiply
   2,256.72x = 3,112.12 × 1,510.80
4. Step 4: Simplify right side
   2,256.72x = 4,701,790.90
5. Step 5: Solve for x
   x = 4,701,790.90/2,256.72
6. Step 6: Final answer
   x = 2,083.46