Finding the Fourth Proportional to 2,250.66, 3,105.62 and 1,306.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.66 : 3,105.62 = 1,306.31 : x
2. Step 2: Convert to fraction form
   2,250.66/3,105.62 = 1,306.31/x
3. Step 3: Cross multiply
   2,250.66x = 3,105.62 × 1,306.31
4. Step 4: Simplify right side
   2,250.66x = 4,056,880.40
5. Step 5: Solve for x
   x = 4,056,880.40/2,250.66
6. Step 6: Final answer
   x = 1,802.53