Finding the Fourth Proportional to 7,974.54, 12,036.71 and 7,974.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,974.54 : 12,036.71 = 7,974.54 : x
2. Step 2: Convert to fraction form
   7,974.54/12,036.71 = 7,974.54/x
3. Step 3: Cross multiply
   7,974.54x = 12,036.71 × 7,974.54
4. Step 4: Simplify right side
   7,974.54x = 95,987,185.49
5. Step 5: Solve for x
   x = 95,987,185.49/7,974.54
6. Step 6: Final answer
   x = 12,036.71