Finding the Fourth Proportional to 10,896.36, 15,019.00 and 7,705.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.36 : 15,019.00 = 7,705.53 : x
2. Step 2: Convert to fraction form
   10,896.36/15,019.00 = 7,705.53/x
3. Step 3: Cross multiply
   10,896.36x = 15,019.00 × 7,705.53
4. Step 4: Simplify right side
   10,896.36x = 115,729,379.15
5. Step 5: Solve for x
   x = 115,729,379.15/10,896.36
6. Step 6: Final answer
   x = 10,620.92