Finding the Fourth Proportional to 22,935.12, 34,406.12 and 8,142.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,935.12 : 34,406.12 = 8,142.81 : x
2. Step 2: Convert to fraction form
   22,935.12/34,406.12 = 8,142.81/x
3. Step 3: Cross multiply
   22,935.12x = 34,406.12 × 8,142.81
4. Step 4: Simplify right side
   22,935.12x = 280,162,498.00
5. Step 5: Solve for x
   x = 280,162,498.00/22,935.12
6. Step 6: Final answer
   x = 12,215.44