Finding the Fourth Proportional to 10,808.52, 16,218.86 and 4,965.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.52 : 16,218.86 = 4,965.59 : x
2. Step 2: Convert to fraction form
   10,808.52/16,218.86 = 4,965.59/x
3. Step 3: Cross multiply
   10,808.52x = 16,218.86 × 4,965.59
4. Step 4: Simplify right side
   10,808.52x = 80,536,103.11
5. Step 5: Solve for x
   x = 80,536,103.11/10,808.52
6. Step 6: Final answer
   x = 7,451.17