Finding the Fourth Proportional to 2,676.34, 3,988.24 and 2,588.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.34 : 3,988.24 = 2,588.25 : x
2. Step 2: Convert to fraction form
   2,676.34/3,988.24 = 2,588.25/x
3. Step 3: Cross multiply
   2,676.34x = 3,988.24 × 2,588.25
4. Step 4: Simplify right side
   2,676.34x = 10,322,570.67
5. Step 5: Solve for x
   x = 10,322,570.67/2,676.34
6. Step 6: Final answer
   x = 3,856.97