Finding the Fourth Proportional to 2,256.31, 3,111.31 and 1,549.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.31 : 3,111.31 = 1,549.18 : x
2. Step 2: Convert to fraction form
   2,256.31/3,111.31 = 1,549.18/x
3. Step 3: Cross multiply
   2,256.31x = 3,111.31 × 1,549.18
4. Step 4: Simplify right side
   2,256.31x = 4,819,979.23
5. Step 5: Solve for x
   x = 4,819,979.23/2,256.31
6. Step 6: Final answer
   x = 2,136.22