Finding the Fourth Proportional to 10,935.96, 16,406.82 and 3,916.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.96 : 16,406.82 = 3,916.68 : x
2. Step 2: Convert to fraction form
   10,935.96/16,406.82 = 3,916.68/x
3. Step 3: Cross multiply
   10,935.96x = 16,406.82 × 3,916.68
4. Step 4: Simplify right side
   10,935.96x = 64,260,263.76
5. Step 5: Solve for x
   x = 64,260,263.76/10,935.96
6. Step 6: Final answer
   x = 5,876.05