Finding the Fourth Proportional to 2,913.96, 4,019.96 and 1,969.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913.96 : 4,019.96 = 1,969.45 : x
2. Step 2: Convert to fraction form
   2,913.96/4,019.96 = 1,969.45/x
3. Step 3: Cross multiply
   2,913.96x = 4,019.96 × 1,969.45
4. Step 4: Simplify right side
   2,913.96x = 7,917,105.10
5. Step 5: Solve for x
   x = 7,917,105.10/2,913.96
6. Step 6: Final answer
   x = 2,716.96