Finding the Fourth Proportional to 6,789.42, 10,230.39 and 5,583.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.42 : 10,230.39 = 5,583.83 : x
2. Step 2: Convert to fraction form
   6,789.42/10,230.39 = 5,583.83/x
3. Step 3: Cross multiply
   6,789.42x = 10,230.39 × 5,583.83
4. Step 4: Simplify right side
   6,789.42x = 57,124,730.67
5. Step 5: Solve for x
   x = 57,124,730.67/6,789.42
6. Step 6: Final answer
   x = 8,413.79