Finding the Fourth Proportional to 3,561.58, 5,342.39 and 964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.58 : 5,342.39 = 964.52 : x
2. Step 2: Convert to fraction form
   3,561.58/5,342.39 = 964.52/x
3. Step 3: Cross multiply
   3,561.58x = 5,342.39 × 964.52
4. Step 4: Simplify right side
   3,561.58x = 5,152,842.00
5. Step 5: Solve for x
   x = 5,152,842.00/3,561.58
6. Step 6: Final answer
   x = 1,446.79