Finding the Fourth Proportional to 6,149.91, 9,222.72 and 3,806.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,149.91 : 9,222.72 = 3,806.31 : x
2. Step 2: Convert to fraction form
   6,149.91/9,222.72 = 3,806.31/x
3. Step 3: Cross multiply
   6,149.91x = 9,222.72 × 3,806.31
4. Step 4: Simplify right side
   6,149.91x = 35,104,531.36
5. Step 5: Solve for x
   x = 35,104,531.36/6,149.91
6. Step 6: Final answer
   x = 5,708.14