Finding the Fourth Proportional to 9,316.59, 12,857.18 and 5,067.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.59 : 12,857.18 = 5,067.96 : x
2. Step 2: Convert to fraction form
   9,316.59/12,857.18 = 5,067.96/x
3. Step 3: Cross multiply
   9,316.59x = 12,857.18 × 5,067.96
4. Step 4: Simplify right side
   9,316.59x = 65,159,635.47
5. Step 5: Solve for x
   x = 65,159,635.47/9,316.59
6. Step 6: Final answer
   x = 6,993.94