Finding the Fourth Proportional to 16,255.86, 24,381.30 and 5,161.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,255.86 : 24,381.30 = 5,161.10 : x
2. Step 2: Convert to fraction form
   16,255.86/24,381.30 = 5,161.10/x
3. Step 3: Cross multiply
   16,255.86x = 24,381.30 × 5,161.10
4. Step 4: Simplify right side
   16,255.86x = 125,834,327.43
5. Step 5: Solve for x
   x = 125,834,327.43/16,255.86
6. Step 6: Final answer
   x = 7,740.86