Finding the Fourth Proportional to 17,120.21, 23,617.69 and 10,743.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,120.21 : 23,617.69 = 10,743.62 : x
2. Step 2: Convert to fraction form
   17,120.21/23,617.69 = 10,743.62/x
3. Step 3: Cross multiply
   17,120.21x = 23,617.69 × 10,743.62
4. Step 4: Simplify right side
   17,120.21x = 253,739,341.69
5. Step 5: Solve for x
   x = 253,739,341.69/17,120.21
6. Step 6: Final answer
   x = 14,821.05