Finding the Fourth Proportional to 21,403.50, 29,536.83 and 13,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,403.50 : 29,536.83 = 13,951.50 : x
2. Step 2: Convert to fraction form
   21,403.50/29,536.83 = 13,951.50/x
3. Step 3: Cross multiply
   21,403.50x = 29,536.83 × 13,951.50
4. Step 4: Simplify right side
   21,403.50x = 412,083,083.75
5. Step 5: Solve for x
   x = 412,083,083.75/21,403.50
6. Step 6: Final answer
   x = 19,253.07