Finding the Fourth Proportional to 17,309.57, 23,895.18 and 10,138.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,309.57 : 23,895.18 = 10,138.49 : x
2. Step 2: Convert to fraction form
   17,309.57/23,895.18 = 10,138.49/x
3. Step 3: Cross multiply
   17,309.57x = 23,895.18 × 10,138.49
4. Step 4: Simplify right side
   17,309.57x = 242,261,043.48
5. Step 5: Solve for x
   x = 242,261,043.48/17,309.57
6. Step 6: Final answer
   x = 13,995.79