Finding the Fourth Proportional to 6,401.80, 8,833.40 and 3,568.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.80 : 8,833.40 = 3,568.55 : x
2. Step 2: Convert to fraction form
   6,401.80/8,833.40 = 3,568.55/x
3. Step 3: Cross multiply
   6,401.80x = 8,833.40 × 3,568.55
4. Step 4: Simplify right side
   6,401.80x = 31,522,429.57
5. Step 5: Solve for x
   x = 31,522,429.57/6,401.80
6. Step 6: Final answer
   x = 4,923.99