Finding the Fourth Proportional to 13,622.33, 20,395.43 and 7,359.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,622.33 : 20,395.43 = 7,359.91 : x
2. Step 2: Convert to fraction form
   13,622.33/20,395.43 = 7,359.91/x
3. Step 3: Cross multiply
   13,622.33x = 20,395.43 × 7,359.91
4. Step 4: Simplify right side
   13,622.33x = 150,108,390.43
5. Step 5: Solve for x
   x = 150,108,390.43/13,622.33
6. Step 6: Final answer
   x = 11,019.29