Finding the Fourth Proportional to 10,960.50, 16,440.81 and 2,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.50 : 16,440.81 = 2,752.50 : x
2. Step 2: Convert to fraction form
   10,960.50/16,440.81 = 2,752.50/x
3. Step 3: Cross multiply
   10,960.50x = 16,440.81 × 2,752.50
4. Step 4: Simplify right side
   10,960.50x = 45,253,329.53
5. Step 5: Solve for x
   x = 45,253,329.53/10,960.50
6. Step 6: Final answer
   x = 4,128.77