Finding the Fourth Proportional to 10,705.98, 16,060.52 and 3,311.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.98 : 16,060.52 = 3,311.09 : x
2. Step 2: Convert to fraction form
   10,705.98/16,060.52 = 3,311.09/x
3. Step 3: Cross multiply
   10,705.98x = 16,060.52 × 3,311.09
4. Step 4: Simplify right side
   10,705.98x = 53,177,827.17
5. Step 5: Solve for x
   x = 53,177,827.17/10,705.98
6. Step 6: Final answer
   x = 4,967.11