Finding the Fourth Proportional to 1,627.24, 2,245.72 and 964.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.24 : 2,245.72 = 964.04 : x
2. Step 2: Convert to fraction form
   1,627.24/2,245.72 = 964.04/x
3. Step 3: Cross multiply
   1,627.24x = 2,245.72 × 964.04
4. Step 4: Simplify right side
   1,627.24x = 2,164,963.91
5. Step 5: Solve for x
   x = 2,164,963.91/1,627.24
6. Step 6: Final answer
   x = 1,330.45