Finding the Fourth Proportional to 7,111.10, 10,651.26 and 5,159

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.10 : 10,651.26 = 5,159 : x
2. Step 2: Convert to fraction form
   7,111.10/10,651.26 = 5,159/x
3. Step 3: Cross multiply
   7,111.10x = 10,651.26 × 5,159
4. Step 4: Simplify right side
   7,111.10x = 54,949,850.34
5. Step 5: Solve for x
   x = 54,949,850.34/7,111.10
6. Step 6: Final answer
   x = 7,727.33