Finding the Fourth Proportional to 2,168.63, 3,251.37 and 1,289.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.63 : 3,251.37 = 1,289.04 : x
2. Step 2: Convert to fraction form
   2,168.63/3,251.37 = 1,289.04/x
3. Step 3: Cross multiply
   2,168.63x = 3,251.37 × 1,289.04
4. Step 4: Simplify right side
   2,168.63x = 4,191,145.98
5. Step 5: Solve for x
   x = 4,191,145.98/2,168.63
6. Step 6: Final answer
   x = 1,932.62