Finding the Fourth Proportional to 11,990.22, 17,983.15 and 3,223.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,990.22 : 17,983.15 = 3,223.08 : x
2. Step 2: Convert to fraction form
   11,990.22/17,983.15 = 3,223.08/x
3. Step 3: Cross multiply
   11,990.22x = 17,983.15 × 3,223.08
4. Step 4: Simplify right side
   11,990.22x = 57,961,131.10
5. Step 5: Solve for x
   x = 57,961,131.10/11,990.22
6. Step 6: Final answer
   x = 4,834.03