Finding the Fourth Proportional to 10,861.24, 16,288.62 and 3,934.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.24 : 16,288.62 = 3,934.12 : x
2. Step 2: Convert to fraction form
   10,861.24/16,288.62 = 3,934.12/x
3. Step 3: Cross multiply
   10,861.24x = 16,288.62 × 3,934.12
4. Step 4: Simplify right side
   10,861.24x = 64,081,385.71
5. Step 5: Solve for x
   x = 64,081,385.71/10,861.24
6. Step 6: Final answer
   x = 5,900.01