Finding the Fourth Proportional to 1,412.72, 1,949.80 and 889.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.72 : 1,949.80 = 889.04 : x
2. Step 2: Convert to fraction form
   1,412.72/1,949.80 = 889.04/x
3. Step 3: Cross multiply
   1,412.72x = 1,949.80 × 889.04
4. Step 4: Simplify right side
   1,412.72x = 1,733,450.19
5. Step 5: Solve for x
   x = 1,733,450.19/1,412.72
6. Step 6: Final answer
   x = 1,227.03