Finding the Fourth Proportional to 10,137.15, 15,205.71 and 3,561.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,137.15 : 15,205.71 = 3,561.83 : x
2. Step 2: Convert to fraction form
   10,137.15/15,205.71 = 3,561.83/x
3. Step 3: Cross multiply
   10,137.15x = 15,205.71 × 3,561.83
4. Step 4: Simplify right side
   10,137.15x = 54,160,078.02
5. Step 5: Solve for x
   x = 54,160,078.02/10,137.15
6. Step 6: Final answer
   x = 5,342.73