Finding the Fourth Proportional to 21,012.22, 29,038.67 and 17,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,012.22 : 29,038.67 = 17,229.52 : x
2. Step 2: Convert to fraction form
   21,012.22/29,038.67 = 17,229.52/x
3. Step 3: Cross multiply
   21,012.22x = 29,038.67 × 17,229.52
4. Step 4: Simplify right side
   21,012.22x = 500,322,345.54
5. Step 5: Solve for x
   x = 500,322,345.54/21,012.22
6. Step 6: Final answer
   x = 23,811.02