Finding the Fourth Proportional to 22,933.10, 34,402.83 and 8,138.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933.10 : 34,402.83 = 8,138.50 : x
2. Step 2: Convert to fraction form
   22,933.10/34,402.83 = 8,138.50/x
3. Step 3: Cross multiply
   22,933.10x = 34,402.83 × 8,138.50
4. Step 4: Simplify right side
   22,933.10x = 279,987,345.95
5. Step 5: Solve for x
   x = 279,987,345.95/22,933.10
6. Step 6: Final answer
   x = 12,208.88