Finding the Fourth Proportional to 1,731.83, 2,389.93 and 945.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.83 : 2,389.93 = 945.89 : x
2. Step 2: Convert to fraction form
   1,731.83/2,389.93 = 945.89/x
3. Step 3: Cross multiply
   1,731.83x = 2,389.93 × 945.89
4. Step 4: Simplify right side
   1,731.83x = 2,260,610.89
5. Step 5: Solve for x
   x = 2,260,610.89/1,731.83
6. Step 6: Final answer
   x = 1,305.33