Finding the Fourth Proportional to 11,549.59, 17,321.31 and 3,229.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,549.59 : 17,321.31 = 3,229.09 : x
2. Step 2: Convert to fraction form
   11,549.59/17,321.31 = 3,229.09/x
3. Step 3: Cross multiply
   11,549.59x = 17,321.31 × 3,229.09
4. Step 4: Simplify right side
   11,549.59x = 55,932,068.91
5. Step 5: Solve for x
   x = 55,932,068.91/11,549.59
6. Step 6: Final answer
   x = 4,842.78