Finding the Fourth Proportional to 2,396.84, 3,594.89 and 641.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,396.84 : 3,594.89 = 641.96 : x
2. Step 2: Convert to fraction form
   2,396.84/3,594.89 = 641.96/x
3. Step 3: Cross multiply
   2,396.84x = 3,594.89 × 641.96
4. Step 4: Simplify right side
   2,396.84x = 2,307,754.40
5. Step 5: Solve for x
   x = 2,307,754.40/2,396.84
6. Step 6: Final answer
   x = 962.83