Finding the Fourth Proportional to 6,366.35, 8,784.56 and 3,640.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,366.35 : 8,784.56 = 3,640.84 : x
2. Step 2: Convert to fraction form
   6,366.35/8,784.56 = 3,640.84/x
3. Step 3: Cross multiply
   6,366.35x = 8,784.56 × 3,640.84
4. Step 4: Simplify right side
   6,366.35x = 31,983,164.57
5. Step 5: Solve for x
   x = 31,983,164.57/6,366.35
6. Step 6: Final answer
   x = 5,023.78