Finding the Fourth Proportional to 11,712.61, 16,168.67 and 7,469.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,712.61 : 16,168.67 = 7,469.37 : x
2. Step 2: Convert to fraction form
   11,712.61/16,168.67 = 7,469.37/x
3. Step 3: Cross multiply
   11,712.61x = 16,168.67 × 7,469.37
4. Step 4: Simplify right side
   11,712.61x = 120,769,660.45
5. Step 5: Solve for x
   x = 120,769,660.45/11,712.61
6. Step 6: Final answer
   x = 10,311.08