Finding the Fourth Proportional to 1,103.60, 1,522.98 and 683.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.60 : 1,522.98 = 683.93 : x
2. Step 2: Convert to fraction form
   1,103.60/1,522.98 = 683.93/x
3. Step 3: Cross multiply
   1,103.60x = 1,522.98 × 683.93
4. Step 4: Simplify right side
   1,103.60x = 1,041,604.10
5. Step 5: Solve for x
   x = 1,041,604.10/1,103.60
6. Step 6: Final answer
   x = 943.83