Finding the Fourth Proportional to 2,200.68, 3,036.78 and 1,256.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.68 : 3,036.78 = 1,256.22 : x
2. Step 2: Convert to fraction form
   2,200.68/3,036.78 = 1,256.22/x
3. Step 3: Cross multiply
   2,200.68x = 3,036.78 × 1,256.22
4. Step 4: Simplify right side
   2,200.68x = 3,814,863.77
5. Step 5: Solve for x
   x = 3,814,863.77/2,200.68
6. Step 6: Final answer
   x = 1,733.49