Finding the Fourth Proportional to 10,856.95, 16,288.17 and 3,065.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.95 : 16,288.17 = 3,065.77 : x
2. Step 2: Convert to fraction form
   10,856.95/16,288.17 = 3,065.77/x
3. Step 3: Cross multiply
   10,856.95x = 16,288.17 × 3,065.77
4. Step 4: Simplify right side
   10,856.95x = 49,935,717.43
5. Step 5: Solve for x
   x = 49,935,717.43/10,856.95
6. Step 6: Final answer
   x = 4,599.42