Finding the Fourth Proportional to 5,086.57, 7,629.98 and 1,623.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.57 : 7,629.98 = 1,623.82 : x
2. Step 2: Convert to fraction form
   5,086.57/7,629.98 = 1,623.82/x
3. Step 3: Cross multiply
   5,086.57x = 7,629.98 × 1,623.82
4. Step 4: Simplify right side
   5,086.57x = 12,389,675.97
5. Step 5: Solve for x
   x = 12,389,675.97/5,086.57
6. Step 6: Final answer
   x = 2,435.76