Finding the Fourth Proportional to 10,493.15, 15,737.90 and 3,919.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.15 : 15,737.90 = 3,919.39 : x
2. Step 2: Convert to fraction form
   10,493.15/15,737.90 = 3,919.39/x
3. Step 3: Cross multiply
   10,493.15x = 15,737.90 × 3,919.39
4. Step 4: Simplify right side
   10,493.15x = 61,682,908.94
5. Step 5: Solve for x
   x = 61,682,908.94/10,493.15
6. Step 6: Final answer
   x = 5,878.40