Finding the Fourth Proportional to 5,559.89, 7,663.75 and 3,766.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,559.89 : 7,663.75 = 3,766.82 : x
2. Step 2: Convert to fraction form
   5,559.89/7,663.75 = 3,766.82/x
3. Step 3: Cross multiply
   5,559.89x = 7,663.75 × 3,766.82
4. Step 4: Simplify right side
   5,559.89x = 28,867,919.04
5. Step 5: Solve for x
   x = 28,867,919.04/5,559.89
6. Step 6: Final answer
   x = 5,192.18