Finding the Fourth Proportional to 10,821.67, 16,234.30 and 3,799.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.67 : 16,234.30 = 3,799.86 : x
2. Step 2: Convert to fraction form
   10,821.67/16,234.30 = 3,799.86/x
3. Step 3: Cross multiply
   10,821.67x = 16,234.30 × 3,799.86
4. Step 4: Simplify right side
   10,821.67x = 61,688,067.20
5. Step 5: Solve for x
   x = 61,688,067.20/10,821.67
6. Step 6: Final answer
   x = 5,700.42