Finding the Fourth Proportional to 2,399.27, 3,595.64 and 1,164.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.27 : 3,595.64 = 1,164.21 : x
2. Step 2: Convert to fraction form
   2,399.27/3,595.64 = 1,164.21/x
3. Step 3: Cross multiply
   2,399.27x = 3,595.64 × 1,164.21
4. Step 4: Simplify right side
   2,399.27x = 4,186,074.22
5. Step 5: Solve for x
   x = 4,186,074.22/2,399.27
6. Step 6: Final answer
   x = 1,744.73