Finding the Fourth Proportional to 6,716.72, 10,074.15 and 1,786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,716.72 : 10,074.15 = 1,786.76 : x
2. Step 2: Convert to fraction form
   6,716.72/10,074.15 = 1,786.76/x
3. Step 3: Cross multiply
   6,716.72x = 10,074.15 × 1,786.76
4. Step 4: Simplify right side
   6,716.72x = 18,000,088.25
5. Step 5: Solve for x
   x = 18,000,088.25/6,716.72
6. Step 6: Final answer
   x = 2,679.89