Finding the Fourth Proportional to 10,010.96, 13,815.96 and 5,535.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.96 : 13,815.96 = 5,535.12 : x
2. Step 2: Convert to fraction form
   10,010.96/13,815.96 = 5,535.12/x
3. Step 3: Cross multiply
   10,010.96x = 13,815.96 × 5,535.12
4. Step 4: Simplify right side
   10,010.96x = 76,472,996.52
5. Step 5: Solve for x
   x = 76,472,996.52/10,010.96
6. Step 6: Final answer
   x = 7,638.93