Finding the Fourth Proportional to 7,902.72, 10,906.56 and 4,759.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,902.72 : 10,906.56 = 4,759.20 : x
2. Step 2: Convert to fraction form
   7,902.72/10,906.56 = 4,759.20/x
3. Step 3: Cross multiply
   7,902.72x = 10,906.56 × 4,759.20
4. Step 4: Simplify right side
   7,902.72x = 51,906,500.35
5. Step 5: Solve for x
   x = 51,906,500.35/7,902.72
6. Step 6: Final answer
   x = 6,568.18