Finding the Fourth Proportional to 10,896.42, 16,340.94 and 3,876.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.42 : 16,340.94 = 3,876.12 : x
2. Step 2: Convert to fraction form
   10,896.42/16,340.94 = 3,876.12/x
3. Step 3: Cross multiply
   10,896.42x = 16,340.94 × 3,876.12
4. Step 4: Simplify right side
   10,896.42x = 63,339,444.35
5. Step 5: Solve for x
   x = 63,339,444.35/10,896.42
6. Step 6: Final answer
   x = 5,812.87