Finding the Fourth Proportional to 10,856.50, 16,273.38 and 5,016.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.50 : 16,273.38 = 5,016.94 : x
2. Step 2: Convert to fraction form
   10,856.50/16,273.38 = 5,016.94/x
3. Step 3: Cross multiply
   10,856.50x = 16,273.38 × 5,016.94
4. Step 4: Simplify right side
   10,856.50x = 81,642,571.06
5. Step 5: Solve for x
   x = 81,642,571.06/10,856.50
6. Step 6: Final answer
   x = 7,520.16