Finding the Fourth Proportional to 5,647.89, 7,793.83 and 3,129.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,647.89 : 7,793.83 = 3,129.83 : x
2. Step 2: Convert to fraction form
   5,647.89/7,793.83 = 3,129.83/x
3. Step 3: Cross multiply
   5,647.89x = 7,793.83 × 3,129.83
4. Step 4: Simplify right side
   5,647.89x = 24,393,362.95
5. Step 5: Solve for x
   x = 24,393,362.95/5,647.89
6. Step 6: Final answer
   x = 4,319.02