Finding the Fourth Proportional to 17,015.49, 25,490.43 and 14,238

Step by Step Solution

1. Step 1: Write the proportion equation
   17,015.49 : 25,490.43 = 14,238 : x
2. Step 2: Convert to fraction form
   17,015.49/25,490.43 = 14,238/x
3. Step 3: Cross multiply
   17,015.49x = 25,490.43 × 14,238
4. Step 4: Simplify right side
   17,015.49x = 362,932,742.34
5. Step 5: Solve for x
   x = 362,932,742.34/17,015.49
6. Step 6: Final answer
   x = 21,329.55