Finding the Fourth Proportional to 12,683.50, 17,504.54 and 7,306.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.50 : 17,504.54 = 7,306.12 : x
2. Step 2: Convert to fraction form
   12,683.50/17,504.54 = 7,306.12/x
3. Step 3: Cross multiply
   12,683.50x = 17,504.54 × 7,306.12
4. Step 4: Simplify right side
   12,683.50x = 127,890,269.78
5. Step 5: Solve for x
   x = 127,890,269.78/12,683.50
6. Step 6: Final answer
   x = 10,083.20