Finding the Fourth Proportional to 17,681.34, 24,400.71 and 9,724.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,681.34 : 24,400.71 = 9,724.08 : x
2. Step 2: Convert to fraction form
   17,681.34/24,400.71 = 9,724.08/x
3. Step 3: Cross multiply
   17,681.34x = 24,400.71 × 9,724.08
4. Step 4: Simplify right side
   17,681.34x = 237,274,456.10
5. Step 5: Solve for x
   x = 237,274,456.10/17,681.34
6. Step 6: Final answer
   x = 13,419.48