Finding the Fourth Proportional to 7,330.72, 10,980.72 and 3,229.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,330.72 : 10,980.72 = 3,229.60 : x
2. Step 2: Convert to fraction form
   7,330.72/10,980.72 = 3,229.60/x
3. Step 3: Cross multiply
   7,330.72x = 10,980.72 × 3,229.60
4. Step 4: Simplify right side
   7,330.72x = 35,463,333.31
5. Step 5: Solve for x
   x = 35,463,333.31/7,330.72
6. Step 6: Final answer
   x = 4,837.63