Finding the Fourth Proportional to 11,363.81, 17,019.25 and 10,969.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,363.81 : 17,019.25 = 10,969.69 : x
2. Step 2: Convert to fraction form
   11,363.81/17,019.25 = 10,969.69/x
3. Step 3: Cross multiply
   11,363.81x = 17,019.25 × 10,969.69
4. Step 4: Simplify right side
   11,363.81x = 186,695,896.53
5. Step 5: Solve for x
   x = 186,695,896.53/11,363.81
6. Step 6: Final answer
   x = 16,428.99