Finding the Fourth Proportional to 10,010.98, 13,815.30 and 5,535.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.98 : 13,815.30 = 5,535.10 : x
2. Step 2: Convert to fraction form
   10,010.98/13,815.30 = 5,535.10/x
3. Step 3: Cross multiply
   10,010.98x = 13,815.30 × 5,535.10
4. Step 4: Simplify right side
   10,010.98x = 76,469,067.03
5. Step 5: Solve for x
   x = 76,469,067.03/10,010.98
6. Step 6: Final answer
   x = 7,638.52