Finding the Fourth Proportional to 27,404.34, 41,111.69 and 8,689.09

Step by Step Solution

1. Step 1: Write the proportion equation
   27,404.34 : 41,111.69 = 8,689.09 : x
2. Step 2: Convert to fraction form
   27,404.34/41,111.69 = 8,689.09/x
3. Step 3: Cross multiply
   27,404.34x = 41,111.69 × 8,689.09
4. Step 4: Simplify right side
   27,404.34x = 357,223,174.46
5. Step 5: Solve for x
   x = 357,223,174.46/27,404.34
6. Step 6: Final answer
   x = 13,035.28