Finding the Fourth Proportional to 17,683.49, 24,402.47 and 9,725.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,683.49 : 24,402.47 = 9,725.21 : x
2. Step 2: Convert to fraction form
   17,683.49/24,402.47 = 9,725.21/x
3. Step 3: Cross multiply
   17,683.49x = 24,402.47 × 9,725.21
4. Step 4: Simplify right side
   17,683.49x = 237,318,974.63
5. Step 5: Solve for x
   x = 237,318,974.63/17,683.49
6. Step 6: Final answer
   x = 13,420.37