Finding the Fourth Proportional to 10,707.45, 16,061.35 and 3,311.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.45 : 16,061.35 = 3,311.82 : x
2. Step 2: Convert to fraction form
   10,707.45/16,061.35 = 3,311.82/x
3. Step 3: Cross multiply
   10,707.45x = 16,061.35 × 3,311.82
4. Step 4: Simplify right side
   10,707.45x = 53,192,370.50
5. Step 5: Solve for x
   x = 53,192,370.50/10,707.45
6. Step 6: Final answer
   x = 4,967.79