Finding the Fourth Proportional to 10,021.05, 13,828.98 and 5,544.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.05 : 13,828.98 = 5,544.72 : x
2. Step 2: Convert to fraction form
   10,021.05/13,828.98 = 5,544.72/x
3. Step 3: Cross multiply
   10,021.05x = 13,828.98 × 5,544.72
4. Step 4: Simplify right side
   10,021.05x = 76,677,821.99
5. Step 5: Solve for x
   x = 76,677,821.99/10,021.05
6. Step 6: Final answer
   x = 7,651.68