Finding the Fourth Proportional to 16,403.86, 24,608.06 and 5,306.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,403.86 : 24,608.06 = 5,306.96 : x
2. Step 2: Convert to fraction form
   16,403.86/24,608.06 = 5,306.96/x
3. Step 3: Cross multiply
   16,403.86x = 24,608.06 × 5,306.96
4. Step 4: Simplify right side
   16,403.86x = 130,594,064.89
5. Step 5: Solve for x
   x = 130,594,064.89/16,403.86
6. Step 6: Final answer
   x = 7,961.18