Finding the Fourth Proportional to 2,253.06, 3,108.84 and 1,308.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.06 : 3,108.84 = 1,308.88 : x
2. Step 2: Convert to fraction form
   2,253.06/3,108.84 = 1,308.88/x
3. Step 3: Cross multiply
   2,253.06x = 3,108.84 × 1,308.88
4. Step 4: Simplify right side
   2,253.06x = 4,069,098.50
5. Step 5: Solve for x
   x = 4,069,098.50/2,253.06
6. Step 6: Final answer
   x = 1,806.03