Finding the Fourth Proportional to 6,780.70, 10,168.71 and 3,222.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.70 : 10,168.71 = 3,222.41 : x
2. Step 2: Convert to fraction form
   6,780.70/10,168.71 = 3,222.41/x
3. Step 3: Cross multiply
   6,780.70x = 10,168.71 × 3,222.41
4. Step 4: Simplify right side
   6,780.70x = 32,767,752.79
5. Step 5: Solve for x
   x = 32,767,752.79/6,780.70
6. Step 6: Final answer
   x = 4,832.50