Finding the Fourth Proportional to 9,316.35, 12,856.82 and 5,067.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.35 : 12,856.82 = 5,067.68 : x
2. Step 2: Convert to fraction form
   9,316.35/12,856.82 = 5,067.68/x
3. Step 3: Cross multiply
   9,316.35x = 12,856.82 × 5,067.68
4. Step 4: Simplify right side
   9,316.35x = 65,154,159.96
5. Step 5: Solve for x
   x = 65,154,159.96/9,316.35
6. Step 6: Final answer
   x = 6,993.53