Finding the Fourth Proportional to 9,072.42, 13,604.52 and 3,229.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.42 : 13,604.52 = 3,229.18 : x
2. Step 2: Convert to fraction form
   9,072.42/13,604.52 = 3,229.18/x
3. Step 3: Cross multiply
   9,072.42x = 13,604.52 × 3,229.18
4. Step 4: Simplify right side
   9,072.42x = 43,931,443.89
5. Step 5: Solve for x
   x = 43,931,443.89/9,072.42
6. Step 6: Final answer
   x = 4,842.31