Finding the Fourth Proportional to 10,697.82, 16,025.10 and 8,960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,697.82 : 16,025.10 = 8,960.22 : x
2. Step 2: Convert to fraction form
   10,697.82/16,025.10 = 8,960.22/x
3. Step 3: Cross multiply
   10,697.82x = 16,025.10 × 8,960.22
4. Step 4: Simplify right side
   10,697.82x = 143,588,421.52
5. Step 5: Solve for x
   x = 143,588,421.52/10,697.82
6. Step 6: Final answer
   x = 13,422.21