Finding the Fourth Proportional to 2,251.24, 3,106.72 and 1,256.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.24 : 3,106.72 = 1,256.52 : x
2. Step 2: Convert to fraction form
   2,251.24/3,106.72 = 1,256.52/x
3. Step 3: Cross multiply
   2,251.24x = 3,106.72 × 1,256.52
4. Step 4: Simplify right side
   2,251.24x = 3,903,655.81
5. Step 5: Solve for x
   x = 3,903,655.81/2,251.24
6. Step 6: Final answer
   x = 1,734.00