Finding the Fourth Proportional to 10,981.48, 15,154.34 and 5,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.48 : 15,154.34 = 5,945.57 : x
2. Step 2: Convert to fraction form
   10,981.48/15,154.34 = 5,945.57/x
3. Step 3: Cross multiply
   10,981.48x = 15,154.34 × 5,945.57
4. Step 4: Simplify right side
   10,981.48x = 90,101,189.27
5. Step 5: Solve for x
   x = 90,101,189.27/10,981.48
6. Step 6: Final answer
   x = 8,204.83