Finding the Fourth Proportional to 1,481.78, 2,044.89 and 892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.78 : 2,044.89 = 892.50 : x
2. Step 2: Convert to fraction form
   1,481.78/2,044.89 = 892.50/x
3. Step 3: Cross multiply
   1,481.78x = 2,044.89 × 892.50
4. Step 4: Simplify right side
   1,481.78x = 1,825,064.33
5. Step 5: Solve for x
   x = 1,825,064.33/1,481.78
6. Step 6: Final answer
   x = 1,231.67