Finding the Fourth Proportional to 7,155.27, 10,736.15 and 3,260.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.27 : 10,736.15 = 3,260.79 : x
2. Step 2: Convert to fraction form
   7,155.27/10,736.15 = 3,260.79/x
3. Step 3: Cross multiply
   7,155.27x = 10,736.15 × 3,260.79
4. Step 4: Simplify right side
   7,155.27x = 35,008,314.25
5. Step 5: Solve for x
   x = 35,008,314.25/7,155.27
6. Step 6: Final answer
   x = 4,892.66