Finding the Fourth Proportional to 2,635.67, 3,954.22 and 2,589.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.67 : 3,954.22 = 2,589.30 : x
2. Step 2: Convert to fraction form
   2,635.67/3,954.22 = 2,589.30/x
3. Step 3: Cross multiply
   2,635.67x = 3,954.22 × 2,589.30
4. Step 4: Simplify right side
   2,635.67x = 10,238,655.37
5. Step 5: Solve for x
   x = 10,238,655.37/2,635.67
6. Step 6: Final answer
   x = 3,884.65