Finding the Fourth Proportional to 5,186.82, 7,160.22 and 3,061.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,186.82 : 7,160.22 = 3,061.65 : x
2. Step 2: Convert to fraction form
   5,186.82/7,160.22 = 3,061.65/x
3. Step 3: Cross multiply
   5,186.82x = 7,160.22 × 3,061.65
4. Step 4: Simplify right side
   5,186.82x = 21,922,087.56
5. Step 5: Solve for x
   x = 21,922,087.56/5,186.82
6. Step 6: Final answer
   x = 4,226.50