Finding the Fourth Proportional to 1,662.42, 2,294.52 and 964.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.42 : 2,294.52 = 964.20 : x
2. Step 2: Convert to fraction form
   1,662.42/2,294.52 = 964.20/x
3. Step 3: Cross multiply
   1,662.42x = 2,294.52 × 964.20
4. Step 4: Simplify right side
   1,662.42x = 2,212,376.18
5. Step 5: Solve for x
   x = 2,212,376.18/1,662.42
6. Step 6: Final answer
   x = 1,330.82