Finding the Fourth Proportional to 10,981.69, 15,154.68 and 5,945.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.69 : 15,154.68 = 5,945.92 : x
2. Step 2: Convert to fraction form
   10,981.69/15,154.68 = 5,945.92/x
3. Step 3: Cross multiply
   10,981.69x = 15,154.68 × 5,945.92
4. Step 4: Simplify right side
   10,981.69x = 90,108,514.91
5. Step 5: Solve for x
   x = 90,108,514.91/10,981.69
6. Step 6: Final answer
   x = 8,205.34