Finding the Fourth Proportional to 8,703.96, 12,012.78 and 5,168.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,703.96 : 12,012.78 = 5,168.04 : x
2. Step 2: Convert to fraction form
   8,703.96/12,012.78 = 5,168.04/x
3. Step 3: Cross multiply
   8,703.96x = 12,012.78 × 5,168.04
4. Step 4: Simplify right side
   8,703.96x = 62,082,527.55
5. Step 5: Solve for x
   x = 62,082,527.55/8,703.96
6. Step 6: Final answer
   x = 7,132.68