Finding the Fourth Proportional to 12,997.50, 19,496.24 and 5,103.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.50 : 19,496.24 = 5,103.73 : x
2. Step 2: Convert to fraction form
   12,997.50/19,496.24 = 5,103.73/x
3. Step 3: Cross multiply
   12,997.50x = 19,496.24 × 5,103.73
4. Step 4: Simplify right side
   12,997.50x = 99,503,544.98
5. Step 5: Solve for x
   x = 99,503,544.98/12,997.50
6. Step 6: Final answer
   x = 7,655.59