Finding the Fourth Proportional to 5,093.20, 7,027.59 and 3,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,093.20 : 7,027.59 = 3,972.16 : x
2. Step 2: Convert to fraction form
   5,093.20/7,027.59 = 3,972.16/x
3. Step 3: Cross multiply
   5,093.20x = 7,027.59 × 3,972.16
4. Step 4: Simplify right side
   5,093.20x = 27,914,711.89
5. Step 5: Solve for x
   x = 27,914,711.89/5,093.20
6. Step 6: Final answer
   x = 5,480.78