Finding the Fourth Proportional to 1,665.34, 2,293.25 and 1,427.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.34 : 2,293.25 = 1,427.54 : x
2. Step 2: Convert to fraction form
   1,665.34/2,293.25 = 1,427.54/x
3. Step 3: Cross multiply
   1,665.34x = 2,293.25 × 1,427.54
4. Step 4: Simplify right side
   1,665.34x = 3,273,687.50
5. Step 5: Solve for x
   x = 3,273,687.50/1,665.34
6. Step 6: Final answer
   x = 1,965.78