Finding the Fourth Proportional to 10,250.65, 14,146.04 and 5,713.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250.65 : 14,146.04 = 5,713.20 : x
2. Step 2: Convert to fraction form
   10,250.65/14,146.04 = 5,713.20/x
3. Step 3: Cross multiply
   10,250.65x = 14,146.04 × 5,713.20
4. Step 4: Simplify right side
   10,250.65x = 80,819,170.01
5. Step 5: Solve for x
   x = 80,819,170.01/10,250.65
6. Step 6: Final answer
   x = 7,884.30