Finding the Fourth Proportional to 3,734.48, 5,621.18 and 3,170.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734.48 : 5,621.18 = 3,170.72 : x
2. Step 2: Convert to fraction form
   3,734.48/5,621.18 = 3,170.72/x
3. Step 3: Cross multiply
   3,734.48x = 5,621.18 × 3,170.72
4. Step 4: Simplify right side
   3,734.48x = 17,823,187.85
5. Step 5: Solve for x
   x = 17,823,187.85/3,734.48
6. Step 6: Final answer
   x = 4,772.60