Finding the Fourth Proportional to 11,441.22, 17,164.23 and 3,945.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,441.22 : 17,164.23 = 3,945.45 : x
2. Step 2: Convert to fraction form
   11,441.22/17,164.23 = 3,945.45/x
3. Step 3: Cross multiply
   11,441.22x = 17,164.23 × 3,945.45
4. Step 4: Simplify right side
   11,441.22x = 67,720,611.25
5. Step 5: Solve for x
   x = 67,720,611.25/11,441.22
6. Step 6: Final answer
   x = 5,919.00