Finding the Fourth Proportional to 10,759.73, 16,143.69 and 5,212.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,759.73 : 16,143.69 = 5,212.67 : x
2. Step 2: Convert to fraction form
   10,759.73/16,143.69 = 5,212.67/x
3. Step 3: Cross multiply
   10,759.73x = 16,143.69 × 5,212.67
4. Step 4: Simplify right side
   10,759.73x = 84,151,728.55
5. Step 5: Solve for x
   x = 84,151,728.55/10,759.73
6. Step 6: Final answer
   x = 7,820.99