Finding the Fourth Proportional to 17,692.51, 24,416.56 and 10,139.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,692.51 : 24,416.56 = 10,139.71 : x
2. Step 2: Convert to fraction form
   17,692.51/24,416.56 = 10,139.71/x
3. Step 3: Cross multiply
   17,692.51x = 24,416.56 × 10,139.71
4. Step 4: Simplify right side
   17,692.51x = 247,576,786.90
5. Step 5: Solve for x
   x = 247,576,786.90/17,692.51
6. Step 6: Final answer
   x = 13,993.31