Finding the Fourth Proportional to 2,251.27, 3,106.51 and 1,256.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.27 : 3,106.51 = 1,256.59 : x
2. Step 2: Convert to fraction form
   2,251.27/3,106.51 = 1,256.59/x
3. Step 3: Cross multiply
   2,251.27x = 3,106.51 × 1,256.59
4. Step 4: Simplify right side
   2,251.27x = 3,903,609.40
5. Step 5: Solve for x
   x = 3,903,609.40/2,251.27
6. Step 6: Final answer
   x = 1,733.96