Finding the Fourth Proportional to 10,182.72, 14,052.48 and 5,707.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,182.72 : 14,052.48 = 5,707.20 : x
2. Step 2: Convert to fraction form
   10,182.72/14,052.48 = 5,707.20/x
3. Step 3: Cross multiply
   10,182.72x = 14,052.48 × 5,707.20
4. Step 4: Simplify right side
   10,182.72x = 80,200,313.86
5. Step 5: Solve for x
   x = 80,200,313.86/10,182.72
6. Step 6: Final answer
   x = 7,876.12