Finding the Fourth Proportional to 7,367.82, 10,166.17 and 5,128.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,367.82 : 10,166.17 = 5,128.87 : x
2. Step 2: Convert to fraction form
   7,367.82/10,166.17 = 5,128.87/x
3. Step 3: Cross multiply
   7,367.82x = 10,166.17 × 5,128.87
4. Step 4: Simplify right side
   7,367.82x = 52,140,964.33
5. Step 5: Solve for x
   x = 52,140,964.33/7,367.82
6. Step 6: Final answer
   x = 7,076.85