Finding the Fourth Proportional to 8,185.41, 12,259.43 and 4,891.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.41 : 12,259.43 = 4,891.75 : x
2. Step 2: Convert to fraction form
   8,185.41/12,259.43 = 4,891.75/x
3. Step 3: Cross multiply
   8,185.41x = 12,259.43 × 4,891.75
4. Step 4: Simplify right side
   8,185.41x = 59,970,005.41
5. Step 5: Solve for x
   x = 59,970,005.41/8,185.41
6. Step 6: Final answer
   x = 7,326.45