Finding the Fourth Proportional to 17,697.21, 24,422.32 and 9,739.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697.21 : 24,422.32 = 9,739.62 : x
2. Step 2: Convert to fraction form
   17,697.21/24,422.32 = 9,739.62/x
3. Step 3: Cross multiply
   17,697.21x = 24,422.32 × 9,739.62
4. Step 4: Simplify right side
   17,697.21x = 237,864,116.32
5. Step 5: Solve for x
   x = 237,864,116.32/17,697.21
6. Step 6: Final answer
   x = 13,440.77