Finding the Fourth Proportional to 22,948.05, 34,423.78 and 8,919.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,948.05 : 34,423.78 = 8,919.57 : x
2. Step 2: Convert to fraction form
   22,948.05/34,423.78 = 8,919.57/x
3. Step 3: Cross multiply
   22,948.05x = 34,423.78 × 8,919.57
4. Step 4: Simplify right side
   22,948.05x = 307,045,315.37
5. Step 5: Solve for x
   x = 307,045,315.37/22,948.05
6. Step 6: Final answer
   x = 13,380.02