Finding the Fourth Proportional to 8,745.27, 12,074.52 and 7,074.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,745.27 : 12,074.52 = 7,074.03 : x
2. Step 2: Convert to fraction form
   8,745.27/12,074.52 = 7,074.03/x
3. Step 3: Cross multiply
   8,745.27x = 12,074.52 × 7,074.03
4. Step 4: Simplify right side
   8,745.27x = 85,415,548.73
5. Step 5: Solve for x
   x = 85,415,548.73/8,745.27
6. Step 6: Final answer
   x = 9,767.06