Finding the Fourth Proportional to 9,021.42, 13,530.20 and 3,472.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.42 : 13,530.20 = 3,472.83 : x
2. Step 2: Convert to fraction form
   9,021.42/13,530.20 = 3,472.83/x
3. Step 3: Cross multiply
   9,021.42x = 13,530.20 × 3,472.83
4. Step 4: Simplify right side
   9,021.42x = 46,988,067.10
5. Step 5: Solve for x
   x = 46,988,067.10/9,021.42
6. Step 6: Final answer
   x = 5,208.50