Finding the Fourth Proportional to 1,412.46, 1,949.31 and 889.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.46 : 1,949.31 = 889.02 : x
2. Step 2: Convert to fraction form
   1,412.46/1,949.31 = 889.02/x
3. Step 3: Cross multiply
   1,412.46x = 1,949.31 × 889.02
4. Step 4: Simplify right side
   1,412.46x = 1,732,975.58
5. Step 5: Solve for x
   x = 1,732,975.58/1,412.46
6. Step 6: Final answer
   x = 1,226.92