Finding the Fourth Proportional to 22,923.20, 34,385.52 and 8,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,923.20 : 34,385.52 = 8,131.88 : x
2. Step 2: Convert to fraction form
   22,923.20/34,385.52 = 8,131.88/x
3. Step 3: Cross multiply
   22,923.20x = 34,385.52 × 8,131.88
4. Step 4: Simplify right side
   22,923.20x = 279,618,922.38
5. Step 5: Solve for x
   x = 279,618,922.38/22,923.20
6. Step 6: Final answer
   x = 12,198.08