Finding the Fourth Proportional to 11,857.33, 17,786.89 and 3,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,857.33 : 17,786.89 = 3,536.69 : x
2. Step 2: Convert to fraction form
   11,857.33/17,786.89 = 3,536.69/x
3. Step 3: Cross multiply
   11,857.33x = 17,786.89 × 3,536.69
4. Step 4: Simplify right side
   11,857.33x = 62,906,715.99
5. Step 5: Solve for x
   x = 62,906,715.99/11,857.33
6. Step 6: Final answer
   x = 5,305.30