Finding the Fourth Proportional to 17,213.99, 23,755.43 and 9,660.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,213.99 : 23,755.43 = 9,660.48 : x
2. Step 2: Convert to fraction form
   17,213.99/23,755.43 = 9,660.48/x
3. Step 3: Cross multiply
   17,213.99x = 23,755.43 × 9,660.48
4. Step 4: Simplify right side
   17,213.99x = 229,488,870.76
5. Step 5: Solve for x
   x = 229,488,870.76/17,213.99
6. Step 6: Final answer
   x = 13,331.54