Finding the Fourth Proportional to 1,481.29, 2,044.59 and 921.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.29 : 2,044.59 = 921.43 : x
2. Step 2: Convert to fraction form
   1,481.29/2,044.59 = 921.43/x
3. Step 3: Cross multiply
   1,481.29x = 2,044.59 × 921.43
4. Step 4: Simplify right side
   1,481.29x = 1,883,945.10
5. Step 5: Solve for x
   x = 1,883,945.10/1,481.29
6. Step 6: Final answer
   x = 1,271.82