Finding the Fourth Proportional to 9,310.14, 12,847.82 and 5,118.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.14 : 12,847.82 = 5,118.39 : x
2. Step 2: Convert to fraction form
   9,310.14/12,847.82 = 5,118.39/x
3. Step 3: Cross multiply
   9,310.14x = 12,847.82 × 5,118.39
4. Step 4: Simplify right side
   9,310.14x = 65,760,127.82
5. Step 5: Solve for x
   x = 65,760,127.82/9,310.14
6. Step 6: Final answer
   x = 7,063.28