Finding the Fourth Proportional to 1,665.54, 2,298.60 and 966.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.54 : 2,298.60 = 966.96 : x
2. Step 2: Convert to fraction form
   1,665.54/2,298.60 = 966.96/x
3. Step 3: Cross multiply
   1,665.54x = 2,298.60 × 966.96
4. Step 4: Simplify right side
   1,665.54x = 2,222,654.26
5. Step 5: Solve for x
   x = 2,222,654.26/1,665.54
6. Step 6: Final answer
   x = 1,334.49