Finding the Fourth Proportional to 1,715.82, 2,367.69 and 969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.82 : 2,367.69 = 969.86 : x
2. Step 2: Convert to fraction form
   1,715.82/2,367.69 = 969.86/x
3. Step 3: Cross multiply
   1,715.82x = 2,367.69 × 969.86
4. Step 4: Simplify right side
   1,715.82x = 2,296,315.98
5. Step 5: Solve for x
   x = 2,296,315.98/1,715.82
6. Step 6: Final answer
   x = 1,338.32