Finding the Fourth Proportional to 5,372.73, 7,994.09 and 5,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,372.73 : 7,994.09 = 5,238.81 : x
2. Step 2: Convert to fraction form
   5,372.73/7,994.09 = 5,238.81/x
3. Step 3: Cross multiply
   5,372.73x = 7,994.09 × 5,238.81
4. Step 4: Simplify right side
   5,372.73x = 41,879,531.73
5. Step 5: Solve for x
   x = 41,879,531.73/5,372.73
6. Step 6: Final answer
   x = 7,794.83