Finding the Fourth Proportional to 21,944.77, 32,920.56 and 7,150.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,944.77 : 32,920.56 = 7,150.24 : x
2. Step 2: Convert to fraction form
   21,944.77/32,920.56 = 7,150.24/x
3. Step 3: Cross multiply
   21,944.77x = 32,920.56 × 7,150.24
4. Step 4: Simplify right side
   21,944.77x = 235,389,904.93
5. Step 5: Solve for x
   x = 235,389,904.93/21,944.77
6. Step 6: Final answer
   x = 10,726.47