Finding the Fourth Proportional to 1,243.37, 1,715.82 and 683.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243.37 : 1,715.82 = 683.82 : x
2. Step 2: Convert to fraction form
   1,243.37/1,715.82 = 683.82/x
3. Step 3: Cross multiply
   1,243.37x = 1,715.82 × 683.82
4. Step 4: Simplify right side
   1,243.37x = 1,173,312.03
5. Step 5: Solve for x
   x = 1,173,312.03/1,243.37
6. Step 6: Final answer
   x = 943.66