Finding the Fourth Proportional to 1,362.72, 2,046.78 and 1,167.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.72 : 2,046.78 = 1,167.65 : x
2. Step 2: Convert to fraction form
   1,362.72/2,046.78 = 1,167.65/x
3. Step 3: Cross multiply
   1,362.72x = 2,046.78 × 1,167.65
4. Step 4: Simplify right side
   1,362.72x = 2,389,912.43
5. Step 5: Solve for x
   x = 2,389,912.43/1,362.72
6. Step 6: Final answer
   x = 1,753.78