Finding the Fourth Proportional to 16,261.62, 24,389.92 and 5,166.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,261.62 : 24,389.92 = 5,166.86 : x
2. Step 2: Convert to fraction form
   16,261.62/24,389.92 = 5,166.86/x
3. Step 3: Cross multiply
   16,261.62x = 24,389.92 × 5,166.86
4. Step 4: Simplify right side
   16,261.62x = 126,019,302.05
5. Step 5: Solve for x
   x = 126,019,302.05/16,261.62
6. Step 6: Final answer
   x = 7,749.49