Finding the Fourth Proportional to 17,216, 23,754.42 and 10,139.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,216 : 23,754.42 = 10,139.84 : x
2. Step 2: Convert to fraction form
   17,216/23,754.42 = 10,139.84/x
3. Step 3: Cross multiply
   17,216x = 23,754.42 × 10,139.84
4. Step 4: Simplify right side
   17,216x = 240,866,018.09
5. Step 5: Solve for x
   x = 240,866,018.09/17,216
6. Step 6: Final answer
   x = 13,990.82