Finding the Fourth Proportional to 22,928.50, 34,397.91 and 8,137.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,928.50 : 34,397.91 = 8,137.39 : x
2. Step 2: Convert to fraction form
   22,928.50/34,397.91 = 8,137.39/x
3. Step 3: Cross multiply
   22,928.50x = 34,397.91 × 8,137.39
4. Step 4: Simplify right side
   22,928.50x = 279,909,168.17
5. Step 5: Solve for x
   x = 279,909,168.17/22,928.50
6. Step 6: Final answer
   x = 12,207.92