Finding the Fourth Proportional to 5,557.92, 8,327.62 and 3,911.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.92 : 8,327.62 = 3,911.00 : x
2. Step 2: Convert to fraction form
   5,557.92/8,327.62 = 3,911.00/x
3. Step 3: Cross multiply
   5,557.92x = 8,327.62 × 3,911.00
4. Step 4: Simplify right side
   5,557.92x = 32,569,332.86
5. Step 5: Solve for x
   x = 32,569,332.86/5,557.92
6. Step 6: Final answer
   x = 5,859.99