Finding the Fourth Proportional to 1,343.30, 1,851.17 and 969.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.30 : 1,851.17 = 969.57 : x
2. Step 2: Convert to fraction form
   1,343.30/1,851.17 = 969.57/x
3. Step 3: Cross multiply
   1,343.30x = 1,851.17 × 969.57
4. Step 4: Simplify right side
   1,343.30x = 1,794,834.05
5. Step 5: Solve for x
   x = 1,794,834.05/1,343.30
6. Step 6: Final answer
   x = 1,336.14