Finding the Fourth Proportional to 7,152.08, 10,728.42 and 2,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.08 : 10,728.42 = 2,709.31 : x
2. Step 2: Convert to fraction form
   7,152.08/10,728.42 = 2,709.31/x
3. Step 3: Cross multiply
   7,152.08x = 10,728.42 × 2,709.31
4. Step 4: Simplify right side
   7,152.08x = 29,066,615.59
5. Step 5: Solve for x
   x = 29,066,615.59/7,152.08
6. Step 6: Final answer
   x = 4,064.08