Finding the Fourth Proportional to 7,239.76, 10,857.33 and 2,308.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,239.76 : 10,857.33 = 2,308.24 : x
2. Step 2: Convert to fraction form
   7,239.76/10,857.33 = 2,308.24/x
3. Step 3: Cross multiply
   7,239.76x = 10,857.33 × 2,308.24
4. Step 4: Simplify right side
   7,239.76x = 25,061,328.31
5. Step 5: Solve for x
   x = 25,061,328.31/7,239.76
6. Step 6: Final answer
   x = 3,461.63