Finding the Fourth Proportional to 3,561.47, 5,342.36 and 964.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.47 : 5,342.36 = 964.41 : x
2. Step 2: Convert to fraction form
   3,561.47/5,342.36 = 964.41/x
3. Step 3: Cross multiply
   3,561.47x = 5,342.36 × 964.41
4. Step 4: Simplify right side
   3,561.47x = 5,152,200.55
5. Step 5: Solve for x
   x = 5,152,200.55/3,561.47
6. Step 6: Final answer
   x = 1,446.65