Finding the Fourth Proportional to 12,974.88, 19,469.73 and 5,078.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.88 : 19,469.73 = 5,078.04 : x
2. Step 2: Convert to fraction form
   12,974.88/19,469.73 = 5,078.04/x
3. Step 3: Cross multiply
   12,974.88x = 19,469.73 × 5,078.04
4. Step 4: Simplify right side
   12,974.88x = 98,868,067.73
5. Step 5: Solve for x
   x = 98,868,067.73/12,974.88
6. Step 6: Final answer
   x = 7,619.96