Finding the Fourth Proportional to 10,215.10, 14,096.30 and 5,739.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215.10 : 14,096.30 = 5,739.04 : x
2. Step 2: Convert to fraction form
   10,215.10/14,096.30 = 5,739.04/x
3. Step 3: Cross multiply
   10,215.10x = 14,096.30 × 5,739.04
4. Step 4: Simplify right side
   10,215.10x = 80,899,229.55
5. Step 5: Solve for x
   x = 80,899,229.55/10,215.10
6. Step 6: Final answer
   x = 7,919.57