Finding the Fourth Proportional to 9,100.26, 13,650.56 and 2,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.26 : 13,650.56 = 2,860.16 : x
2. Step 2: Convert to fraction form
   9,100.26/13,650.56 = 2,860.16/x
3. Step 3: Cross multiply
   9,100.26x = 13,650.56 × 2,860.16
4. Step 4: Simplify right side
   9,100.26x = 39,042,785.69
5. Step 5: Solve for x
   x = 39,042,785.69/9,100.26
6. Step 6: Final answer
   x = 4,290.29