Finding the Fourth Proportional to 7,993.12, 11,978.71 and 5,073.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,993.12 : 11,978.71 = 5,073.48 : x
2. Step 2: Convert to fraction form
   7,993.12/11,978.71 = 5,073.48/x
3. Step 3: Cross multiply
   7,993.12x = 11,978.71 × 5,073.48
4. Step 4: Simplify right side
   7,993.12x = 60,773,745.61
5. Step 5: Solve for x
   x = 60,773,745.61/7,993.12
6. Step 6: Final answer
   x = 7,603.26