Finding the Fourth Proportional to 7,168.11, 9,904.83 and 5,608.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,168.11 : 9,904.83 = 5,608.05 : x
2. Step 2: Convert to fraction form
   7,168.11/9,904.83 = 5,608.05/x
3. Step 3: Cross multiply
   7,168.11x = 9,904.83 × 5,608.05
4. Step 4: Simplify right side
   7,168.11x = 55,546,753.84
5. Step 5: Solve for x
   x = 55,546,753.84/7,168.11
6. Step 6: Final answer
   x = 7,749.15