Finding the Fourth Proportional to 7,242.72, 10,865.22 and 3,734.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,242.72 : 10,865.22 = 3,734.82 : x
2. Step 2: Convert to fraction form
   7,242.72/10,865.22 = 3,734.82/x
3. Step 3: Cross multiply
   7,242.72x = 10,865.22 × 3,734.82
4. Step 4: Simplify right side
   7,242.72x = 40,579,640.96
5. Step 5: Solve for x
   x = 40,579,640.96/7,242.72
6. Step 6: Final answer
   x = 5,602.82