Finding the Fourth Proportional to 9,185.26, 12,675.92 and 4,993.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,185.26 : 12,675.92 = 4,993.78 : x
2. Step 2: Convert to fraction form
   9,185.26/12,675.92 = 4,993.78/x
3. Step 3: Cross multiply
   9,185.26x = 12,675.92 × 4,993.78
4. Step 4: Simplify right side
   9,185.26x = 63,300,755.78
5. Step 5: Solve for x
   x = 63,300,755.78/9,185.26
6. Step 6: Final answer
   x = 6,891.56