Finding the Fourth Proportional to 27,456.30, 41,188.71 and 9,689.33

Step by Step Solution

1. Step 1: Write the proportion equation
   27,456.30 : 41,188.71 = 9,689.33 : x
2. Step 2: Convert to fraction form
   27,456.30/41,188.71 = 9,689.33/x
3. Step 3: Cross multiply
   27,456.30x = 41,188.71 × 9,689.33
4. Step 4: Simplify right side
   27,456.30x = 399,090,797.52
5. Step 5: Solve for x
   x = 399,090,797.52/27,456.30
6. Step 6: Final answer
   x = 14,535.49