Finding the Fourth Proportional to 6,401.56, 8,834.10 and 3,568.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.56 : 8,834.10 = 3,568.90 : x
2. Step 2: Convert to fraction form
   6,401.56/8,834.10 = 3,568.90/x
3. Step 3: Cross multiply
   6,401.56x = 8,834.10 × 3,568.90
4. Step 4: Simplify right side
   6,401.56x = 31,528,019.49
5. Step 5: Solve for x
   x = 31,528,019.49/6,401.56
6. Step 6: Final answer
   x = 4,925.05