Finding the Fourth Proportional to 1,662.57, 2,291.87 and 1,367.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.57 : 2,291.87 = 1,367.34 : x
2. Step 2: Convert to fraction form
   1,662.57/2,291.87 = 1,367.34/x
3. Step 3: Cross multiply
   1,662.57x = 2,291.87 × 1,367.34
4. Step 4: Simplify right side
   1,662.57x = 3,133,758.69
5. Step 5: Solve for x
   x = 3,133,758.69/1,662.57
6. Step 6: Final answer
   x = 1,884.89