Finding the Fourth Proportional to 5,238.72, 7,232.42 and 3,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238.72 : 7,232.42 = 3,472.72 : x
2. Step 2: Convert to fraction form
   5,238.72/7,232.42 = 3,472.72/x
3. Step 3: Cross multiply
   5,238.72x = 7,232.42 × 3,472.72
4. Step 4: Simplify right side
   5,238.72x = 25,116,160.18
5. Step 5: Solve for x
   x = 25,116,160.18/5,238.72
6. Step 6: Final answer
   x = 4,794.33