Finding the Fourth Proportional to 10,016.13, 13,821.71 and 5,539.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.13 : 13,821.71 = 5,539.62 : x
2. Step 2: Convert to fraction form
   10,016.13/13,821.71 = 5,539.62/x
3. Step 3: Cross multiply
   10,016.13x = 13,821.71 × 5,539.62
4. Step 4: Simplify right side
   10,016.13x = 76,567,021.15
5. Step 5: Solve for x
   x = 76,567,021.15/10,016.13
6. Step 6: Final answer
   x = 7,644.37