Finding the Fourth Proportional to 2,200.56, 3,036.86 and 1,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.56 : 3,036.86 = 1,256.50 : x
2. Step 2: Convert to fraction form
   2,200.56/3,036.86 = 1,256.50/x
3. Step 3: Cross multiply
   2,200.56x = 3,036.86 × 1,256.50
4. Step 4: Simplify right side
   2,200.56x = 3,815,814.59
5. Step 5: Solve for x
   x = 3,815,814.59/2,200.56
6. Step 6: Final answer
   x = 1,734.02