Finding the Fourth Proportional to 14,661.79, 21,992.72 and 3,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,661.79 : 21,992.72 = 3,568.50 : x
2. Step 2: Convert to fraction form
   14,661.79/21,992.72 = 3,568.50/x
3. Step 3: Cross multiply
   14,661.79x = 21,992.72 × 3,568.50
4. Step 4: Simplify right side
   14,661.79x = 78,481,003.48
5. Step 5: Solve for x
   x = 78,481,003.48/14,661.79
6. Step 6: Final answer
   x = 5,352.76