Finding the Fourth Proportional to 11,539.82, 17,309.00 and 3,221.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,539.82 : 17,309.00 = 3,221.01 : x
2. Step 2: Convert to fraction form
   11,539.82/17,309.00 = 3,221.01/x
3. Step 3: Cross multiply
   11,539.82x = 17,309.00 × 3,221.01
4. Step 4: Simplify right side
   11,539.82x = 55,752,445.98
5. Step 5: Solve for x
   x = 55,752,445.98/11,539.82
6. Step 6: Final answer
   x = 4,831.31