Finding the Fourth Proportional to 1,716.86, 2,369.30 and 970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.86 : 2,369.30 = 970.82 : x
2. Step 2: Convert to fraction form
   1,716.86/2,369.30 = 970.82/x
3. Step 3: Cross multiply
   1,716.86x = 2,369.30 × 970.82
4. Step 4: Simplify right side
   1,716.86x = 2,300,163.83
5. Step 5: Solve for x
   x = 2,300,163.83/1,716.86
6. Step 6: Final answer
   x = 1,339.75