Finding the Fourth Proportional to 10,868.46, 16,297.16 and 5,313.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.46 : 16,297.16 = 5,313.48 : x
2. Step 2: Convert to fraction form
   10,868.46/16,297.16 = 5,313.48/x
3. Step 3: Cross multiply
   10,868.46x = 16,297.16 × 5,313.48
4. Step 4: Simplify right side
   10,868.46x = 86,594,633.72
5. Step 5: Solve for x
   x = 86,594,633.72/10,868.46
6. Step 6: Final answer
   x = 7,967.52