Finding the Fourth Proportional to 7,754.59, 10,697.89 and 5,168.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,754.59 : 10,697.89 = 5,168.13 : x
2. Step 2: Convert to fraction form
   7,754.59/10,697.89 = 5,168.13/x
3. Step 3: Cross multiply
   7,754.59x = 10,697.89 × 5,168.13
4. Step 4: Simplify right side
   7,754.59x = 55,288,086.25
5. Step 5: Solve for x
   x = 55,288,086.25/7,754.59
6. Step 6: Final answer
   x = 7,129.72