Finding the Fourth Proportional to 10,912.60, 16,363.50 and 5,065.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.60 : 16,363.50 = 5,065.48 : x
2. Step 2: Convert to fraction form
   10,912.60/16,363.50 = 5,065.48/x
3. Step 3: Cross multiply
   10,912.60x = 16,363.50 × 5,065.48
4. Step 4: Simplify right side
   10,912.60x = 82,888,981.98
5. Step 5: Solve for x
   x = 82,888,981.98/10,912.60
6. Step 6: Final answer
   x = 7,595.71