Finding the Fourth Proportional to 2,200.17, 3,036.32 and 1,256.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.17 : 3,036.32 = 1,256.12 : x
2. Step 2: Convert to fraction form
   2,200.17/3,036.32 = 1,256.12/x
3. Step 3: Cross multiply
   2,200.17x = 3,036.32 × 1,256.12
4. Step 4: Simplify right side
   2,200.17x = 3,813,960.82
5. Step 5: Solve for x
   x = 3,813,960.82/2,200.17
6. Step 6: Final answer
   x = 1,733.48