Finding the Fourth Proportional to 9,014.34, 12,440.49 and 5,238.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,014.34 : 12,440.49 = 5,238.68 : x
2. Step 2: Convert to fraction form
   9,014.34/12,440.49 = 5,238.68/x
3. Step 3: Cross multiply
   9,014.34x = 12,440.49 × 5,238.68
4. Step 4: Simplify right side
   9,014.34x = 65,171,664.31
5. Step 5: Solve for x
   x = 65,171,664.31/9,014.34
6. Step 6: Final answer
   x = 7,229.78