Finding the Fourth Proportional to 22,895.68, 31,596.72 and 12,824.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,895.68 : 31,596.72 = 12,824.08 : x
2. Step 2: Convert to fraction form
   22,895.68/31,596.72 = 12,824.08/x
3. Step 3: Cross multiply
   22,895.68x = 31,596.72 × 12,824.08
4. Step 4: Simplify right side
   22,895.68x = 405,198,865.02
5. Step 5: Solve for x
   x = 405,198,865.02/22,895.68
6. Step 6: Final answer
   x = 17,697.61