Finding the Fourth Proportional to 23,438.30, 35,161.90 and 8,648.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,438.30 : 35,161.90 = 8,648.37 : x
2. Step 2: Convert to fraction form
   23,438.30/35,161.90 = 8,648.37/x
3. Step 3: Cross multiply
   23,438.30x = 35,161.90 × 8,648.37
4. Step 4: Simplify right side
   23,438.30x = 304,093,099.48
5. Step 5: Solve for x
   x = 304,093,099.48/23,438.30
6. Step 6: Final answer
   x = 12,974.20