Finding the Fourth Proportional to 6,226.42, 8,591.78 and 3,573.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,226.42 : 8,591.78 = 3,573.76 : x
2. Step 2: Convert to fraction form
   6,226.42/8,591.78 = 3,573.76/x
3. Step 3: Cross multiply
   6,226.42x = 8,591.78 × 3,573.76
4. Step 4: Simplify right side
   6,226.42x = 30,704,959.69
5. Step 5: Solve for x
   x = 30,704,959.69/6,226.42
6. Step 6: Final answer
   x = 4,931.40