Finding the Fourth Proportional to 9,863.15, 13,610.61 and 5,776.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.15 : 13,610.61 = 5,776.19 : x
2. Step 2: Convert to fraction form
   9,863.15/13,610.61 = 5,776.19/x
3. Step 3: Cross multiply
   9,863.15x = 13,610.61 × 5,776.19
4. Step 4: Simplify right side
   9,863.15x = 78,617,469.38
5. Step 5: Solve for x
   x = 78,617,469.38/9,863.15
6. Step 6: Final answer
   x = 7,970.83