Finding the Fourth Proportional to 3,168.15, 4,753.58 and 2,193.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,168.15 : 4,753.58 = 2,193.72 : x
2. Step 2: Convert to fraction form
   3,168.15/4,753.58 = 2,193.72/x
3. Step 3: Cross multiply
   3,168.15x = 4,753.58 × 2,193.72
4. Step 4: Simplify right side
   3,168.15x = 10,428,012.55
5. Step 5: Solve for x
   x = 10,428,012.55/3,168.15
6. Step 6: Final answer
   x = 3,291.51