Finding the Fourth Proportional to 3,743.94, 5,609.55 and 2,646.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.94 : 5,609.55 = 2,646.21 : x
2. Step 2: Convert to fraction form
   3,743.94/5,609.55 = 2,646.21/x
3. Step 3: Cross multiply
   3,743.94x = 5,609.55 × 2,646.21
4. Step 4: Simplify right side
   3,743.94x = 14,844,047.31
5. Step 5: Solve for x
   x = 14,844,047.31/3,743.94
6. Step 6: Final answer
   x = 3,964.82