Finding the Fourth Proportional to 10,016.07, 13,820.96 and 5,539.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.07 : 13,820.96 = 5,539.20 : x
2. Step 2: Convert to fraction form
   10,016.07/13,820.96 = 5,539.20/x
3. Step 3: Cross multiply
   10,016.07x = 13,820.96 × 5,539.20
4. Step 4: Simplify right side
   10,016.07x = 76,557,033.94
5. Step 5: Solve for x
   x = 76,557,033.94/10,016.07
6. Step 6: Final answer
   x = 7,643.42