Finding the Fourth Proportional to 2,253.30, 3,108.69 and 1,308.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.30 : 3,108.69 = 1,308.94 : x
2. Step 2: Convert to fraction form
   2,253.30/3,108.69 = 1,308.94/x
3. Step 3: Cross multiply
   2,253.30x = 3,108.69 × 1,308.94
4. Step 4: Simplify right side
   2,253.30x = 4,069,080.92
5. Step 5: Solve for x
   x = 4,069,080.92/2,253.30
6. Step 6: Final answer
   x = 1,805.83