Finding the Fourth Proportional to 9,106.52, 13,661.60 and 2,868.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.52 : 13,661.60 = 2,868.10 : x
2. Step 2: Convert to fraction form
   9,106.52/13,661.60 = 2,868.10/x
3. Step 3: Cross multiply
   9,106.52x = 13,661.60 × 2,868.10
4. Step 4: Simplify right side
   9,106.52x = 39,182,786.47
5. Step 5: Solve for x
   x = 39,182,786.47/9,106.52
6. Step 6: Final answer
   x = 4,302.72