Finding the Fourth Proportional to 9,106.89, 13,662.15 and 2,868.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.89 : 13,662.15 = 2,868.48 : x
2. Step 2: Convert to fraction form
   9,106.89/13,662.15 = 2,868.48/x
3. Step 3: Cross multiply
   9,106.89x = 13,662.15 × 2,868.48
4. Step 4: Simplify right side
   9,106.89x = 39,189,604.03
5. Step 5: Solve for x
   x = 39,189,604.03/9,106.89
6. Step 6: Final answer
   x = 4,303.29