Finding the Fourth Proportional to 1,715.31, 2,367.15 and 969.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.31 : 2,367.15 = 969.28 : x
2. Step 2: Convert to fraction form
   1,715.31/2,367.15 = 969.28/x
3. Step 3: Cross multiply
   1,715.31x = 2,367.15 × 969.28
4. Step 4: Simplify right side
   1,715.31x = 2,294,421.60
5. Step 5: Solve for x
   x = 2,294,421.60/1,715.31
6. Step 6: Final answer
   x = 1,337.61