Finding the Fourth Proportional to 2,504.98, 3,757.74 and 861.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.98 : 3,757.74 = 861.33 : x
2. Step 2: Convert to fraction form
   2,504.98/3,757.74 = 861.33/x
3. Step 3: Cross multiply
   2,504.98x = 3,757.74 × 861.33
4. Step 4: Simplify right side
   2,504.98x = 3,236,649.89
5. Step 5: Solve for x
   x = 3,236,649.89/2,504.98
6. Step 6: Final answer
   x = 1,292.09