Finding the Fourth Proportional to 9,309.94, 12,847.82 and 5,118.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.94 : 12,847.82 = 5,118.19 : x
2. Step 2: Convert to fraction form
   9,309.94/12,847.82 = 5,118.19/x
3. Step 3: Cross multiply
   9,309.94x = 12,847.82 × 5,118.19
4. Step 4: Simplify right side
   9,309.94x = 65,757,526.14
5. Step 5: Solve for x
   x = 65,757,526.14/9,309.94
6. Step 6: Final answer
   x = 7,063.15