Finding the Fourth Proportional to 2,369.64, 3,567.27 and 2,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.64 : 3,567.27 = 2,131.50 : x
2. Step 2: Convert to fraction form
   2,369.64/3,567.27 = 2,131.50/x
3. Step 3: Cross multiply
   2,369.64x = 3,567.27 × 2,131.50
4. Step 4: Simplify right side
   2,369.64x = 7,603,636.01
5. Step 5: Solve for x
   x = 7,603,636.01/2,369.64
6. Step 6: Final answer
   x = 3,208.77