Finding the Fourth Proportional to 22,890.27, 34,336.38 and 8,099.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,890.27 : 34,336.38 = 8,099.31 : x
2. Step 2: Convert to fraction form
   22,890.27/34,336.38 = 8,099.31/x
3. Step 3: Cross multiply
   22,890.27x = 34,336.38 × 8,099.31
4. Step 4: Simplify right side
   22,890.27x = 278,100,985.90
5. Step 5: Solve for x
   x = 278,100,985.90/22,890.27
6. Step 6: Final answer
   x = 12,149.31