Finding the Fourth Proportional to 10,180.43, 14,049.86 and 5,704.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180.43 : 14,049.86 = 5,704.12 : x
2. Step 2: Convert to fraction form
   10,180.43/14,049.86 = 5,704.12/x
3. Step 3: Cross multiply
   10,180.43x = 14,049.86 × 5,704.12
4. Step 4: Simplify right side
   10,180.43x = 80,141,988.65
5. Step 5: Solve for x
   x = 80,141,988.65/10,180.43
6. Step 6: Final answer
   x = 7,872.16