Finding the Fourth Proportional to 4,709.68, 7,061.82 and 1,786.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709.68 : 7,061.82 = 1,786.12 : x
2. Step 2: Convert to fraction form
   4,709.68/7,061.82 = 1,786.12/x
3. Step 3: Cross multiply
   4,709.68x = 7,061.82 × 1,786.12
4. Step 4: Simplify right side
   4,709.68x = 12,613,257.94
5. Step 5: Solve for x
   x = 12,613,257.94/4,709.68
6. Step 6: Final answer
   x = 2,678.16