Finding the Fourth Proportional to 9,863.67, 14,782.80 and 3,616.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.67 : 14,782.80 = 3,616.25 : x
2. Step 2: Convert to fraction form
   9,863.67/14,782.80 = 3,616.25/x
3. Step 3: Cross multiply
   9,863.67x = 14,782.80 × 3,616.25
4. Step 4: Simplify right side
   9,863.67x = 53,458,240.15
5. Step 5: Solve for x
   x = 53,458,240.15/9,863.67
6. Step 6: Final answer
   x = 5,419.71