Finding the Fourth Proportional to 10,231.92, 15,350.58 and 4,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.92 : 15,350.58 = 4,680.72 : x
2. Step 2: Convert to fraction form
   10,231.92/15,350.58 = 4,680.72/x
3. Step 3: Cross multiply
   10,231.92x = 15,350.58 × 4,680.72
4. Step 4: Simplify right side
   10,231.92x = 71,851,766.82
5. Step 5: Solve for x
   x = 71,851,766.82/10,231.92
6. Step 6: Final answer
   x = 7,022.32