Finding the Fourth Proportional to 1,715.42, 2,367.24 and 969.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.42 : 2,367.24 = 969.40 : x
2. Step 2: Convert to fraction form
   1,715.42/2,367.24 = 969.40/x
3. Step 3: Cross multiply
   1,715.42x = 2,367.24 × 969.40
4. Step 4: Simplify right side
   1,715.42x = 2,294,802.46
5. Step 5: Solve for x
   x = 2,294,802.46/1,715.42
6. Step 6: Final answer
   x = 1,337.75