Finding the Fourth Proportional to 22,896.89, 31,581.93 and 16,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,896.89 : 31,581.93 = 16,105.31 : x
2. Step 2: Convert to fraction form
   22,896.89/31,581.93 = 16,105.31/x
3. Step 3: Cross multiply
   22,896.89x = 31,581.93 × 16,105.31
4. Step 4: Simplify right side
   22,896.89x = 508,636,926.32
5. Step 5: Solve for x
   x = 508,636,926.32/22,896.89
6. Step 6: Final answer
   x = 22,214.24