Finding the Fourth Proportional to 8,591.00, 12,874.95 and 3,659.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,591.00 : 12,874.95 = 3,659.31 : x
2. Step 2: Convert to fraction form
   8,591.00/12,874.95 = 3,659.31/x
3. Step 3: Cross multiply
   8,591.00x = 12,874.95 × 3,659.31
4. Step 4: Simplify right side
   8,591.00x = 47,113,433.28
5. Step 5: Solve for x
   x = 47,113,433.28/8,591.00
6. Step 6: Final answer
   x = 5,484.05