Finding the Fourth Proportional to 12,922.16, 19,471.16 and 10,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.16 : 19,471.16 = 10,633.50 : x
2. Step 2: Convert to fraction form
   12,922.16/19,471.16 = 10,633.50/x
3. Step 3: Cross multiply
   12,922.16x = 19,471.16 × 10,633.50
4. Step 4: Simplify right side
   12,922.16x = 207,046,526.69
5. Step 5: Solve for x
   x = 207,046,526.69/12,922.16
6. Step 6: Final answer
   x = 16,022.60