Finding the Fourth Proportional to 7,204.72, 9,942.52 and 3,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,204.72 : 9,942.52 = 3,892.72 : x
2. Step 2: Convert to fraction form
   7,204.72/9,942.52 = 3,892.72/x
3. Step 3: Cross multiply
   7,204.72x = 9,942.52 × 3,892.72
4. Step 4: Simplify right side
   7,204.72x = 38,703,446.45
5. Step 5: Solve for x
   x = 38,703,446.45/7,204.72
6. Step 6: Final answer
   x = 5,371.96