Finding the Fourth Proportional to 6,591.29, 9,105.85 and 4,328.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,591.29 : 9,105.85 = 4,328.00 : x
2. Step 2: Convert to fraction form
   6,591.29/9,105.85 = 4,328.00/x
3. Step 3: Cross multiply
   6,591.29x = 9,105.85 × 4,328.00
4. Step 4: Simplify right side
   6,591.29x = 39,410,112.83
5. Step 5: Solve for x
   x = 39,410,112.83/6,591.29
6. Step 6: Final answer
   x = 5,979.12