Finding the Fourth Proportional to 21,522.86, 29,696.33 and 12,565.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522.86 : 29,696.33 = 12,565.24 : x
2. Step 2: Convert to fraction form
   21,522.86/29,696.33 = 12,565.24/x
3. Step 3: Cross multiply
   21,522.86x = 29,696.33 × 12,565.24
4. Step 4: Simplify right side
   21,522.86x = 373,141,513.57
5. Step 5: Solve for x
   x = 373,141,513.57/21,522.86
6. Step 6: Final answer
   x = 17,336.99