Finding the Fourth Proportional to 2,251.02, 3,106.17 and 1,256.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.02 : 3,106.17 = 1,256.34 : x
2. Step 2: Convert to fraction form
   2,251.02/3,106.17 = 1,256.34/x
3. Step 3: Cross multiply
   2,251.02x = 3,106.17 × 1,256.34
4. Step 4: Simplify right side
   2,251.02x = 3,902,405.62
5. Step 5: Solve for x
   x = 3,902,405.62/2,251.02
6. Step 6: Final answer
   x = 1,733.62