Finding the Fourth Proportional to 1,627.14, 2,245.35 and 964.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.14 : 2,245.35 = 964.05 : x
2. Step 2: Convert to fraction form
   1,627.14/2,245.35 = 964.05/x
3. Step 3: Cross multiply
   1,627.14x = 2,245.35 × 964.05
4. Step 4: Simplify right side
   1,627.14x = 2,164,629.67
5. Step 5: Solve for x
   x = 2,164,629.67/1,627.14
6. Step 6: Final answer
   x = 1,330.33