Finding the Fourth Proportional to 1,731.50, 2,389.47 and 945.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.50 : 2,389.47 = 945.54 : x
2. Step 2: Convert to fraction form
   1,731.50/2,389.47 = 945.54/x
3. Step 3: Cross multiply
   1,731.50x = 2,389.47 × 945.54
4. Step 4: Simplify right side
   1,731.50x = 2,259,339.46
5. Step 5: Solve for x
   x = 2,259,339.46/1,731.50
6. Step 6: Final answer
   x = 1,304.85