Finding the Fourth Proportional to 2,371.41, 3,556.71 and 909.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.41 : 3,556.71 = 909.81 : x
2. Step 2: Convert to fraction form
   2,371.41/3,556.71 = 909.81/x
3. Step 3: Cross multiply
   2,371.41x = 3,556.71 × 909.81
4. Step 4: Simplify right side
   2,371.41x = 3,235,930.33
5. Step 5: Solve for x
   x = 3,235,930.33/2,371.41
6. Step 6: Final answer
   x = 1,364.56