Finding the Fourth Proportional to 9,863.75, 14,795.49 and 3,621.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,863.75 : 14,795.49 = 3,621.31 : x
2. Step 2: Convert to fraction form
   9,863.75/14,795.49 = 3,621.31/x
3. Step 3: Cross multiply
   9,863.75x = 14,795.49 × 3,621.31
4. Step 4: Simplify right side
   9,863.75x = 53,579,055.89
5. Step 5: Solve for x
   x = 53,579,055.89/9,863.75
6. Step 6: Final answer
   x = 5,431.92