Finding the Fourth Proportional to 3,111.05, 4,293.23 and 1,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.05 : 4,293.23 = 1,694.72 : x
2. Step 2: Convert to fraction form
   3,111.05/4,293.23 = 1,694.72/x
3. Step 3: Cross multiply
   3,111.05x = 4,293.23 × 1,694.72
4. Step 4: Simplify right side
   3,111.05x = 7,275,792.81
5. Step 5: Solve for x
   x = 7,275,792.81/3,111.05
6. Step 6: Final answer
   x = 2,338.70