Finding the Fourth Proportional to 2,252.10, 3,107.72 and 1,308.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,252.10 : 3,107.72 = 1,308.15 : x
2. Step 2: Convert to fraction form
   2,252.10/3,107.72 = 1,308.15/x
3. Step 3: Cross multiply
   2,252.10x = 3,107.72 × 1,308.15
4. Step 4: Simplify right side
   2,252.10x = 4,065,359.83
5. Step 5: Solve for x
   x = 4,065,359.83/2,252.10
6. Step 6: Final answer
   x = 1,805.14