Finding the Fourth Proportional to 2,250.08, 3,105.06 and 1,255.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.08 : 3,105.06 = 1,255.40 : x
2. Step 2: Convert to fraction form
   2,250.08/3,105.06 = 1,255.40/x
3. Step 3: Cross multiply
   2,250.08x = 3,105.06 × 1,255.40
4. Step 4: Simplify right side
   2,250.08x = 3,898,092.32
5. Step 5: Solve for x
   x = 3,898,092.32/2,250.08
6. Step 6: Final answer
   x = 1,732.42