Finding the Fourth Proportional to 10,708.31, 16,060.52 and 2,915.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708.31 : 16,060.52 = 2,915.30 : x
2. Step 2: Convert to fraction form
   10,708.31/16,060.52 = 2,915.30/x
3. Step 3: Cross multiply
   10,708.31x = 16,060.52 × 2,915.30
4. Step 4: Simplify right side
   10,708.31x = 46,821,160.94
5. Step 5: Solve for x
   x = 46,821,160.94/10,708.31
6. Step 6: Final answer
   x = 4,372.42