Finding the Fourth Proportional to 2,250.96, 3,106.45 and 1,256.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.96 : 3,106.45 = 1,256.41 : x
2. Step 2: Convert to fraction form
   2,250.96/3,106.45 = 1,256.41/x
3. Step 3: Cross multiply
   2,250.96x = 3,106.45 × 1,256.41
4. Step 4: Simplify right side
   2,250.96x = 3,902,980.30
5. Step 5: Solve for x
   x = 3,902,980.30/2,250.96
6. Step 6: Final answer
   x = 1,733.92