Finding the Fourth Proportional to 2,250.90, 3,106.12 and 1,256.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.90 : 3,106.12 = 1,256.14 : x
2. Step 2: Convert to fraction form
   2,250.90/3,106.12 = 1,256.14/x
3. Step 3: Cross multiply
   2,250.90x = 3,106.12 × 1,256.14
4. Step 4: Simplify right side
   2,250.90x = 3,901,721.58
5. Step 5: Solve for x
   x = 3,901,721.58/2,250.90
6. Step 6: Final answer
   x = 1,733.41