Finding the Fourth Proportional to 1,997.73, 2,993.00 and 1,072.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.73 : 2,993.00 = 1,072.31 : x
2. Step 2: Convert to fraction form
   1,997.73/2,993.00 = 1,072.31/x
3. Step 3: Cross multiply
   1,997.73x = 2,993.00 × 1,072.31
4. Step 4: Simplify right side
   1,997.73x = 3,209,403.50
5. Step 5: Solve for x
   x = 3,209,403.50/1,997.73
6. Step 6: Final answer
   x = 1,606.53