Finding the Fourth Proportional to 2,113.08, 2,912.94 and 1,719.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.08 : 2,912.94 = 1,719.42 : x
2. Step 2: Convert to fraction form
   2,113.08/2,912.94 = 1,719.42/x
3. Step 3: Cross multiply
   2,113.08x = 2,912.94 × 1,719.42
4. Step 4: Simplify right side
   2,113.08x = 5,008,567.29
5. Step 5: Solve for x
   x = 5,008,567.29/2,113.08
6. Step 6: Final answer
   x = 2,370.27