Finding the Fourth Proportional to 5,327.94, 7,353.25 and 3,840.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,327.94 : 7,353.25 = 3,840.78 : x
2. Step 2: Convert to fraction form
   5,327.94/7,353.25 = 3,840.78/x
3. Step 3: Cross multiply
   5,327.94x = 7,353.25 × 3,840.78
4. Step 4: Simplify right side
   5,327.94x = 28,242,215.54
5. Step 5: Solve for x
   x = 28,242,215.54/5,327.94
6. Step 6: Final answer
   x = 5,300.78