Finding the Fourth Proportional to 1,731.06, 2,388.89 and 945.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.06 : 2,388.89 = 945.23 : x
2. Step 2: Convert to fraction form
   1,731.06/2,388.89 = 945.23/x
3. Step 3: Cross multiply
   1,731.06x = 2,388.89 × 945.23
4. Step 4: Simplify right side
   1,731.06x = 2,258,040.91
5. Step 5: Solve for x
   x = 2,258,040.91/1,731.06
6. Step 6: Final answer
   x = 1,304.43