Finding the Fourth Proportional to 2,621.92, 3,617.68 and 1,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.92 : 3,617.68 = 1,626.72 : x
2. Step 2: Convert to fraction form
   2,621.92/3,617.68 = 1,626.72/x
3. Step 3: Cross multiply
   2,621.92x = 3,617.68 × 1,626.72
4. Step 4: Simplify right side
   2,621.92x = 5,884,952.41
5. Step 5: Solve for x
   x = 5,884,952.41/2,621.92
6. Step 6: Final answer
   x = 2,244.52