Finding the Fourth Proportional to 10,981.52, 15,154.53 and 5,945.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.52 : 15,154.53 = 5,945.75 : x
2. Step 2: Convert to fraction form
   10,981.52/15,154.53 = 5,945.75/x
3. Step 3: Cross multiply
   10,981.52x = 15,154.53 × 5,945.75
4. Step 4: Simplify right side
   10,981.52x = 90,105,017.02
5. Step 5: Solve for x
   x = 90,105,017.02/10,981.52
6. Step 6: Final answer
   x = 8,205.15