Finding the Fourth Proportional to 12,408.50, 17,124.54 and 7,695.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.50 : 17,124.54 = 7,695.92 : x
2. Step 2: Convert to fraction form
   12,408.50/17,124.54 = 7,695.92/x
3. Step 3: Cross multiply
   12,408.50x = 17,124.54 × 7,695.92
4. Step 4: Simplify right side
   12,408.50x = 131,789,089.88
5. Step 5: Solve for x
   x = 131,789,089.88/12,408.50
6. Step 6: Final answer
   x = 10,620.87