Finding the Fourth Proportional to 2,588.65, 3,567.72 and 2,113.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.65 : 3,567.72 = 2,113.49 : x
2. Step 2: Convert to fraction form
   2,588.65/3,567.72 = 2,113.49/x
3. Step 3: Cross multiply
   2,588.65x = 3,567.72 × 2,113.49
4. Step 4: Simplify right side
   2,588.65x = 7,540,325.43
5. Step 5: Solve for x
   x = 7,540,325.43/2,588.65
6. Step 6: Final answer
   x = 2,912.84