Finding the Fourth Proportional to 2,238.83, 3,352.09 and 1,689.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.83 : 3,352.09 = 1,689.35 : x
2. Step 2: Convert to fraction form
   2,238.83/3,352.09 = 1,689.35/x
3. Step 3: Cross multiply
   2,238.83x = 3,352.09 × 1,689.35
4. Step 4: Simplify right side
   2,238.83x = 5,662,835.43
5. Step 5: Solve for x
   x = 5,662,835.43/2,238.83
6. Step 6: Final answer
   x = 2,529.37