Finding the Fourth Proportional to 21,616.69, 29,824.17 and 17,064.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,616.69 : 29,824.17 = 17,064.94 : x
2. Step 2: Convert to fraction form
   21,616.69/29,824.17 = 17,064.94/x
3. Step 3: Cross multiply
   21,616.69x = 29,824.17 × 17,064.94
4. Step 4: Simplify right side
   21,616.69x = 508,947,671.60
5. Step 5: Solve for x
   x = 508,947,671.60/21,616.69
6. Step 6: Final answer
   x = 23,544.20