Finding the Fourth Proportional to 2,191.92, 3,024.89 and 1,308.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.92 : 3,024.89 = 1,308.24 : x
2. Step 2: Convert to fraction form
   2,191.92/3,024.89 = 1,308.24/x
3. Step 3: Cross multiply
   2,191.92x = 3,024.89 × 1,308.24
4. Step 4: Simplify right side
   2,191.92x = 3,957,282.09
5. Step 5: Solve for x
   x = 3,957,282.09/2,191.92
6. Step 6: Final answer
   x = 1,805.40