Finding the Fourth Proportional to 7,081.91, 10,626.20 and 3,385.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.91 : 10,626.20 = 3,385.27 : x
2. Step 2: Convert to fraction form
   7,081.91/10,626.20 = 3,385.27/x
3. Step 3: Cross multiply
   7,081.91x = 10,626.20 × 3,385.27
4. Step 4: Simplify right side
   7,081.91x = 35,972,556.07
5. Step 5: Solve for x
   x = 35,972,556.07/7,081.91
6. Step 6: Final answer
   x = 5,079.50