Finding the Fourth Proportional to 7,112.72, 10,664.76 and 2,734.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.72 : 10,664.76 = 2,734.16 : x
2. Step 2: Convert to fraction form
   7,112.72/10,664.76 = 2,734.16/x
3. Step 3: Cross multiply
   7,112.72x = 10,664.76 × 2,734.16
4. Step 4: Simplify right side
   7,112.72x = 29,159,160.20
5. Step 5: Solve for x
   x = 29,159,160.20/7,112.72
6. Step 6: Final answer
   x = 4,099.58