Finding the Fourth Proportional to 10,020.86, 13,828.52 and 5,544.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.86 : 13,828.52 = 5,544.80 : x
2. Step 2: Convert to fraction form
   10,020.86/13,828.52 = 5,544.80/x
3. Step 3: Cross multiply
   10,020.86x = 13,828.52 × 5,544.80
4. Step 4: Simplify right side
   10,020.86x = 76,676,452.06
5. Step 5: Solve for x
   x = 76,676,452.06/10,020.86
6. Step 6: Final answer
   x = 7,651.68