Finding the Fourth Proportional to 10,759.24, 16,139.88 and 2,861.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,759.24 : 16,139.88 = 2,861.72 : x
2. Step 2: Convert to fraction form
   10,759.24/16,139.88 = 2,861.72/x
3. Step 3: Cross multiply
   10,759.24x = 16,139.88 × 2,861.72
4. Step 4: Simplify right side
   10,759.24x = 46,187,817.39
5. Step 5: Solve for x
   x = 46,187,817.39/10,759.24
6. Step 6: Final answer
   x = 4,292.85