Finding the Fourth Proportional to 10,922.82, 16,384.22 and 3,131.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.82 : 16,384.22 = 3,131.63 : x
2. Step 2: Convert to fraction form
   10,922.82/16,384.22 = 3,131.63/x
3. Step 3: Cross multiply
   10,922.82x = 16,384.22 × 3,131.63
4. Step 4: Simplify right side
   10,922.82x = 51,309,217.30
5. Step 5: Solve for x
   x = 51,309,217.30/10,922.82
6. Step 6: Final answer
   x = 4,697.43