Finding the Fourth Proportional to 17,215.12, 23,756.15 and 9,662.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,215.12 : 23,756.15 = 9,662.07 : x
2. Step 2: Convert to fraction form
   17,215.12/23,756.15 = 9,662.07/x
3. Step 3: Cross multiply
   17,215.12x = 23,756.15 × 9,662.07
4. Step 4: Simplify right side
   17,215.12x = 229,533,584.23
5. Step 5: Solve for x
   x = 229,533,584.23/17,215.12
6. Step 6: Final answer
   x = 13,333.25