Finding the Fourth Proportional to 9,233.96, 13,852.55 and 3,972.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,233.96 : 13,852.55 = 3,972.20 : x
2. Step 2: Convert to fraction form
   9,233.96/13,852.55 = 3,972.20/x
3. Step 3: Cross multiply
   9,233.96x = 13,852.55 × 3,972.20
4. Step 4: Simplify right side
   9,233.96x = 55,025,039.78
5. Step 5: Solve for x
   x = 55,025,039.78/9,233.96
6. Step 6: Final answer
   x = 5,958.99