Finding the Fourth Proportional to 17,687.49, 24,409.34 and 9,730.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,687.49 : 24,409.34 = 9,730.05 : x
2. Step 2: Convert to fraction form
   17,687.49/24,409.34 = 9,730.05/x
3. Step 3: Cross multiply
   17,687.49x = 24,409.34 × 9,730.05
4. Step 4: Simplify right side
   17,687.49x = 237,504,098.67
5. Step 5: Solve for x
   x = 237,504,098.67/17,687.49
6. Step 6: Final answer
   x = 13,427.80