Finding the Fourth Proportional to 17,218.42, 23,761.86 and 9,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218.42 : 23,761.86 = 9,665.32 : x
2. Step 2: Convert to fraction form
   17,218.42/23,761.86 = 9,665.32/x
3. Step 3: Cross multiply
   17,218.42x = 23,761.86 × 9,665.32
4. Step 4: Simplify right side
   17,218.42x = 229,665,980.70
5. Step 5: Solve for x
   x = 229,665,980.70/17,218.42
6. Step 6: Final answer
   x = 13,338.39