Finding the Fourth Proportional to 2,251.41, 3,377.34 and 865.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.41 : 3,377.34 = 865.89 : x
2. Step 2: Convert to fraction form
   2,251.41/3,377.34 = 865.89/x
3. Step 3: Cross multiply
   2,251.41x = 3,377.34 × 865.89
4. Step 4: Simplify right side
   2,251.41x = 2,924,404.93
5. Step 5: Solve for x
   x = 2,924,404.93/2,251.41
6. Step 6: Final answer
   x = 1,298.92