Finding the Fourth Proportional to 5,164.15, 7,736.27 and 3,085.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.15 : 7,736.27 = 3,085.82 : x
2. Step 2: Convert to fraction form
   5,164.15/7,736.27 = 3,085.82/x
3. Step 3: Cross multiply
   5,164.15x = 7,736.27 × 3,085.82
4. Step 4: Simplify right side
   5,164.15x = 23,872,736.69
5. Step 5: Solve for x
   x = 23,872,736.69/5,164.15
6. Step 6: Final answer
   x = 4,622.78