Finding the Fourth Proportional to 7,014.22, 10,511.31 and 5,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.22 : 10,511.31 = 5,150.72 : x
2. Step 2: Convert to fraction form
   7,014.22/10,511.31 = 5,150.72/x
3. Step 3: Cross multiply
   7,014.22x = 10,511.31 × 5,150.72
4. Step 4: Simplify right side
   7,014.22x = 54,140,736.33
5. Step 5: Solve for x
   x = 54,140,736.33/7,014.22
6. Step 6: Final answer
   x = 7,718.71