Finding the Fourth Proportional to 1,446.54, 2,168.73 and 1,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.54 : 2,168.73 = 1,189.50 : x
2. Step 2: Convert to fraction form
   1,446.54/2,168.73 = 1,189.50/x
3. Step 3: Cross multiply
   1,446.54x = 2,168.73 × 1,189.50
4. Step 4: Simplify right side
   1,446.54x = 2,579,704.34
5. Step 5: Solve for x
   x = 2,579,704.34/1,446.54
6. Step 6: Final answer
   x = 1,783.36