Finding the Fourth Proportional to 10,935.53, 16,403.55 and 3,916.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.53 : 16,403.55 = 3,916.02 : x
2. Step 2: Convert to fraction form
   10,935.53/16,403.55 = 3,916.02/x
3. Step 3: Cross multiply
   10,935.53x = 16,403.55 × 3,916.02
4. Step 4: Simplify right side
   10,935.53x = 64,236,610.29
5. Step 5: Solve for x
   x = 64,236,610.29/10,935.53
6. Step 6: Final answer
   x = 5,874.12