Finding the Fourth Proportional to 10,718.61, 16,081.23 and 3,222.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,718.61 : 16,081.23 = 3,222.47 : x
2. Step 2: Convert to fraction form
   10,718.61/16,081.23 = 3,222.47/x
3. Step 3: Cross multiply
   10,718.61x = 16,081.23 × 3,222.47
4. Step 4: Simplify right side
   10,718.61x = 51,821,200.83
5. Step 5: Solve for x
   x = 51,821,200.83/10,718.61
6. Step 6: Final answer
   x = 4,834.69