Finding the Fourth Proportional to 5,111.73, 7,660.17 and 2,915.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.73 : 7,660.17 = 2,915.82 : x
2. Step 2: Convert to fraction form
   5,111.73/7,660.17 = 2,915.82/x
3. Step 3: Cross multiply
   5,111.73x = 7,660.17 × 2,915.82
4. Step 4: Simplify right side
   5,111.73x = 22,335,676.89
5. Step 5: Solve for x
   x = 22,335,676.89/5,111.73
6. Step 6: Final answer
   x = 4,369.49