Finding the Fourth Proportional to 22,899.69, 34,361.25 and 10,905.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,899.69 : 34,361.25 = 10,905.42 : x
2. Step 2: Convert to fraction form
   22,899.69/34,361.25 = 10,905.42/x
3. Step 3: Cross multiply
   22,899.69x = 34,361.25 × 10,905.42
4. Step 4: Simplify right side
   22,899.69x = 374,723,862.98
5. Step 5: Solve for x
   x = 374,723,862.98/22,899.69
6. Step 6: Final answer
   x = 16,363.71