Finding the Fourth Proportional to 2,766.42, 3,815.91 and 1,719.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.42 : 3,815.91 = 1,719.09 : x
2. Step 2: Convert to fraction form
   2,766.42/3,815.91 = 1,719.09/x
3. Step 3: Cross multiply
   2,766.42x = 3,815.91 × 1,719.09
4. Step 4: Simplify right side
   2,766.42x = 6,559,892.72
5. Step 5: Solve for x
   x = 6,559,892.72/2,766.42
6. Step 6: Final answer
   x = 2,371.26