Finding the Fourth Proportional to 2,307.87, 3,461.82 and 664.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.87 : 3,461.82 = 664.41 : x
2. Step 2: Convert to fraction form
   2,307.87/3,461.82 = 664.41/x
3. Step 3: Cross multiply
   2,307.87x = 3,461.82 × 664.41
4. Step 4: Simplify right side
   2,307.87x = 2,300,067.83
5. Step 5: Solve for x
   x = 2,300,067.83/2,307.87
6. Step 6: Final answer
   x = 996.62