Finding the Fourth Proportional to 10,021.76, 13,829.33 and 5,771.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.76 : 13,829.33 = 5,771.82 : x
2. Step 2: Convert to fraction form
   10,021.76/13,829.33 = 5,771.82/x
3. Step 3: Cross multiply
   10,021.76x = 13,829.33 × 5,771.82
4. Step 4: Simplify right side
   10,021.76x = 79,820,469.77
5. Step 5: Solve for x
   x = 79,820,469.77/10,021.76
6. Step 6: Final answer
   x = 7,964.72