Finding the Fourth Proportional to 2,071.82, 3,113.87 and 1,919.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.82 : 3,113.87 = 1,919.04 : x
2. Step 2: Convert to fraction form
   2,071.82/3,113.87 = 1,919.04/x
3. Step 3: Cross multiply
   2,071.82x = 3,113.87 × 1,919.04
4. Step 4: Simplify right side
   2,071.82x = 5,975,631.49
5. Step 5: Solve for x
   x = 5,975,631.49/2,071.82
6. Step 6: Final answer
   x = 2,884.25