Finding the Fourth Proportional to 9,221.82, 13,829.56 and 2,980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,221.82 : 13,829.56 = 2,980.24 : x
2. Step 2: Convert to fraction form
   9,221.82/13,829.56 = 2,980.24/x
3. Step 3: Cross multiply
   9,221.82x = 13,829.56 × 2,980.24
4. Step 4: Simplify right side
   9,221.82x = 41,215,407.89
5. Step 5: Solve for x
   x = 41,215,407.89/9,221.82
6. Step 6: Final answer
   x = 4,469.34