Finding the Fourth Proportional to 8,709.98, 12,016.49 and 5,350.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.98 : 12,016.49 = 5,350.10 : x
2. Step 2: Convert to fraction form
   8,709.98/12,016.49 = 5,350.10/x
3. Step 3: Cross multiply
   8,709.98x = 12,016.49 × 5,350.10
4. Step 4: Simplify right side
   8,709.98x = 64,289,336.32
5. Step 5: Solve for x
   x = 64,289,336.32/8,709.98
6. Step 6: Final answer
   x = 7,381.12