Finding the Fourth Proportional to 1,446.81, 1,997.52 and 1,004.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.81 : 1,997.52 = 1,004.55 : x
2. Step 2: Convert to fraction form
   1,446.81/1,997.52 = 1,004.55/x
3. Step 3: Cross multiply
   1,446.81x = 1,997.52 × 1,004.55
4. Step 4: Simplify right side
   1,446.81x = 2,006,608.72
5. Step 5: Solve for x
   x = 2,006,608.72/1,446.81
6. Step 6: Final answer
   x = 1,386.92