Finding the Fourth Proportional to 10,936.28, 16,404.67 and 3,916.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.28 : 16,404.67 = 3,916.77 : x
2. Step 2: Convert to fraction form
   10,936.28/16,404.67 = 3,916.77/x
3. Step 3: Cross multiply
   10,936.28x = 16,404.67 × 3,916.77
4. Step 4: Simplify right side
   10,936.28x = 64,253,319.32
5. Step 5: Solve for x
   x = 64,253,319.32/10,936.28
6. Step 6: Final answer
   x = 5,875.24