Finding the Fourth Proportional to 3,561.32, 5,342.04 and 964.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.32 : 5,342.04 = 964.19 : x
2. Step 2: Convert to fraction form
   3,561.32/5,342.04 = 964.19/x
3. Step 3: Cross multiply
   3,561.32x = 5,342.04 × 964.19
4. Step 4: Simplify right side
   3,561.32x = 5,150,714.84
5. Step 5: Solve for x
   x = 5,150,714.84/3,561.32
6. Step 6: Final answer
   x = 1,446.30