Finding the Fourth Proportional to 2,597.60, 3,896.33 and 649.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.60 : 3,896.33 = 649.82 : x
2. Step 2: Convert to fraction form
   2,597.60/3,896.33 = 649.82/x
3. Step 3: Cross multiply
   2,597.60x = 3,896.33 × 649.82
4. Step 4: Simplify right side
   2,597.60x = 2,531,890.43
5. Step 5: Solve for x
   x = 2,531,890.43/2,597.60
6. Step 6: Final answer
   x = 974.71