Finding the Fourth Proportional to 22,243.82, 30,699.88 and 12,683.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,243.82 : 30,699.88 = 12,683.69 : x
2. Step 2: Convert to fraction form
   22,243.82/30,699.88 = 12,683.69/x
3. Step 3: Cross multiply
   22,243.82x = 30,699.88 × 12,683.69
4. Step 4: Simplify right side
   22,243.82x = 389,387,690.87
5. Step 5: Solve for x
   x = 389,387,690.87/22,243.82
6. Step 6: Final answer
   x = 17,505.44