Finding the Fourth Proportional to 19,667.44, 29,475.24 and 7,974.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.44 : 29,475.24 = 7,974.28 : x
2. Step 2: Convert to fraction form
   19,667.44/29,475.24 = 7,974.28/x
3. Step 3: Cross multiply
   19,667.44x = 29,475.24 × 7,974.28
4. Step 4: Simplify right side
   19,667.44x = 235,043,816.83
5. Step 5: Solve for x
   x = 235,043,816.83/19,667.44
6. Step 6: Final answer
   x = 11,950.91