Finding the Fourth Proportional to 3,561.67, 5,342.30 and 964.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.67 : 5,342.30 = 964.41 : x
2. Step 2: Convert to fraction form
   3,561.67/5,342.30 = 964.41/x
3. Step 3: Cross multiply
   3,561.67x = 5,342.30 × 964.41
4. Step 4: Simplify right side
   3,561.67x = 5,152,151.73
5. Step 5: Solve for x
   x = 5,152,151.73/3,561.67
6. Step 6: Final answer
   x = 1,446.55