Finding the Fourth Proportional to 11,712.33, 16,168.30 and 7,469.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,712.33 : 16,168.30 = 7,469.10 : x
2. Step 2: Convert to fraction form
   11,712.33/16,168.30 = 7,469.10/x
3. Step 3: Cross multiply
   11,712.33x = 16,168.30 × 7,469.10
4. Step 4: Simplify right side
   11,712.33x = 120,762,630.86
5. Step 5: Solve for x
   x = 120,762,630.86/11,712.33
6. Step 6: Final answer
   x = 10,310.73