Finding the Fourth Proportional to 1,716.96, 2,369.49 and 970.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.96 : 2,369.49 = 970.89 : x
2. Step 2: Convert to fraction form
   1,716.96/2,369.49 = 970.89/x
3. Step 3: Cross multiply
   1,716.96x = 2,369.49 × 970.89
4. Step 4: Simplify right side
   1,716.96x = 2,300,514.15
5. Step 5: Solve for x
   x = 2,300,514.15/1,716.96
6. Step 6: Final answer
   x = 1,339.88