Finding the Fourth Proportional to 22,935.15, 34,396.38 and 8,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,935.15 : 34,396.38 = 8,142.12 : x
2. Step 2: Convert to fraction form
   22,935.15/34,396.38 = 8,142.12/x
3. Step 3: Cross multiply
   22,935.15x = 34,396.38 × 8,142.12
4. Step 4: Simplify right side
   22,935.15x = 280,059,453.53
5. Step 5: Solve for x
   x = 280,059,453.53/22,935.15
6. Step 6: Final answer
   x = 12,210.93