Finding the Fourth Proportional to 10,708.43, 16,064.37 and 3,311.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708.43 : 16,064.37 = 3,311.15 : x
2. Step 2: Convert to fraction form
   10,708.43/16,064.37 = 3,311.15/x
3. Step 3: Cross multiply
   10,708.43x = 16,064.37 × 3,311.15
4. Step 4: Simplify right side
   10,708.43x = 53,191,458.40
5. Step 5: Solve for x
   x = 53,191,458.40/10,708.43
6. Step 6: Final answer
   x = 4,967.25