Finding the Fourth Proportional to 1,103.67, 1,523.07 and 683.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.67 : 1,523.07 = 683.93 : x
2. Step 2: Convert to fraction form
   1,103.67/1,523.07 = 683.93/x
3. Step 3: Cross multiply
   1,103.67x = 1,523.07 × 683.93
4. Step 4: Simplify right side
   1,103.67x = 1,041,673.27
5. Step 5: Solve for x
   x = 1,041,673.27/1,103.67
6. Step 6: Final answer
   x = 943.83