Finding the Fourth Proportional to 2,200.72, 3,036.72 and 1,256.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.72 : 3,036.72 = 1,256.62 : x
2. Step 2: Convert to fraction form
   2,200.72/3,036.72 = 1,256.62/x
3. Step 3: Cross multiply
   2,200.72x = 3,036.72 × 1,256.62
4. Step 4: Simplify right side
   2,200.72x = 3,816,003.09
5. Step 5: Solve for x
   x = 3,816,003.09/2,200.72
6. Step 6: Final answer
   x = 1,733.98