Finding the Fourth Proportional to 3,168.06, 4,747.50 and 2,179.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,168.06 : 4,747.50 = 2,179.86 : x
2. Step 2: Convert to fraction form
   3,168.06/4,747.50 = 2,179.86/x
3. Step 3: Cross multiply
   3,168.06x = 4,747.50 × 2,179.86
4. Step 4: Simplify right side
   3,168.06x = 10,348,885.35
5. Step 5: Solve for x
   x = 10,348,885.35/3,168.06
6. Step 6: Final answer
   x = 3,266.63