Finding the Fourth Proportional to 10,020.85, 13,828.19 and 5,544.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.85 : 13,828.19 = 5,544.32 : x
2. Step 2: Convert to fraction form
   10,020.85/13,828.19 = 5,544.32/x
3. Step 3: Cross multiply
   10,020.85x = 13,828.19 × 5,544.32
4. Step 4: Simplify right side
   10,020.85x = 76,667,813.52
5. Step 5: Solve for x
   x = 76,667,813.52/10,020.85
6. Step 6: Final answer
   x = 7,650.83