Finding the Fourth Proportional to 10,715.72, 16,064.91 and 4,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.72 : 16,064.91 = 4,480.52 : x
2. Step 2: Convert to fraction form
   10,715.72/16,064.91 = 4,480.52/x
3. Step 3: Cross multiply
   10,715.72x = 16,064.91 × 4,480.52
4. Step 4: Simplify right side
   10,715.72x = 71,979,070.23
5. Step 5: Solve for x
   x = 71,979,070.23/10,715.72
6. Step 6: Final answer
   x = 6,717.15