Finding the Fourth Proportional to 5,650.79, 8,471.59 and 4,879.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,650.79 : 8,471.59 = 4,879.94 : x
2. Step 2: Convert to fraction form
   5,650.79/8,471.59 = 4,879.94/x
3. Step 3: Cross multiply
   5,650.79x = 8,471.59 × 4,879.94
4. Step 4: Simplify right side
   5,650.79x = 41,340,796.35
5. Step 5: Solve for x
   x = 41,340,796.35/5,650.79
6. Step 6: Final answer
   x = 7,315.94