Finding the Fourth Proportional to 1,717.38, 2,369.99 and 971.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717.38 : 2,369.99 = 971.34 : x
2. Step 2: Convert to fraction form
   1,717.38/2,369.99 = 971.34/x
3. Step 3: Cross multiply
   1,717.38x = 2,369.99 × 971.34
4. Step 4: Simplify right side
   1,717.38x = 2,302,061.23
5. Step 5: Solve for x
   x = 2,302,061.23/1,717.38
6. Step 6: Final answer
   x = 1,340.45