Finding the Fourth Proportional to 10,165.28, 14,028.52 and 5,689.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,165.28 : 14,028.52 = 5,689.04 : x
2. Step 2: Convert to fraction form
   10,165.28/14,028.52 = 5,689.04/x
3. Step 3: Cross multiply
   10,165.28x = 14,028.52 × 5,689.04
4. Step 4: Simplify right side
   10,165.28x = 79,808,811.42
5. Step 5: Solve for x
   x = 79,808,811.42/10,165.28
6. Step 6: Final answer
   x = 7,851.12