Finding the Fourth Proportional to 1,951.46, 2,693.49 and 1,289.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.46 : 2,693.49 = 1,289.42 : x
2. Step 2: Convert to fraction form
   1,951.46/2,693.49 = 1,289.42/x
3. Step 3: Cross multiply
   1,951.46x = 2,693.49 × 1,289.42
4. Step 4: Simplify right side
   1,951.46x = 3,473,039.88
5. Step 5: Solve for x
   x = 3,473,039.88/1,951.46
6. Step 6: Final answer
   x = 1,779.71