Finding the Fourth Proportional to 10,912.50, 16,366.66 and 3,013.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.50 : 16,366.66 = 3,013.05 : x
2. Step 2: Convert to fraction form
   10,912.50/16,366.66 = 3,013.05/x
3. Step 3: Cross multiply
   10,912.50x = 16,366.66 × 3,013.05
4. Step 4: Simplify right side
   10,912.50x = 49,313,564.91
5. Step 5: Solve for x
   x = 49,313,564.91/10,912.50
6. Step 6: Final answer
   x = 4,519.00