Finding the Fourth Proportional to 1,731.46, 2,389.42 and 945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.46 : 2,389.42 = 945.50 : x
2. Step 2: Convert to fraction form
   1,731.46/2,389.42 = 945.50/x
3. Step 3: Cross multiply
   1,731.46x = 2,389.42 × 945.50
4. Step 4: Simplify right side
   1,731.46x = 2,259,191.88
5. Step 5: Solve for x
   x = 2,259,191.88/1,731.46
6. Step 6: Final answer
   x = 1,304.79