Finding the Fourth Proportional to 10,184.72, 14,055.24 and 5,709.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,184.72 : 14,055.24 = 5,709.20 : x
2. Step 2: Convert to fraction form
   10,184.72/14,055.24 = 5,709.20/x
3. Step 3: Cross multiply
   10,184.72x = 14,055.24 × 5,709.20
4. Step 4: Simplify right side
   10,184.72x = 80,244,176.21
5. Step 5: Solve for x
   x = 80,244,176.21/10,184.72
6. Step 6: Final answer
   x = 7,878.88