Finding the Fourth Proportional to 12,996.42, 19,496.25 and 4,228.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.42 : 19,496.25 = 4,228.98 : x
2. Step 2: Convert to fraction form
   12,996.42/19,496.25 = 4,228.98/x
3. Step 3: Cross multiply
   12,996.42x = 19,496.25 × 4,228.98
4. Step 4: Simplify right side
   12,996.42x = 82,449,251.33
5. Step 5: Solve for x
   x = 82,449,251.33/12,996.42
6. Step 6: Final answer
   x = 6,344.00