Finding the Fourth Proportional to 2,694.94, 3,719.32 and 1,515.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,694.94 : 3,719.32 = 1,515.78 : x
2. Step 2: Convert to fraction form
   2,694.94/3,719.32 = 1,515.78/x
3. Step 3: Cross multiply
   2,694.94x = 3,719.32 × 1,515.78
4. Step 4: Simplify right side
   2,694.94x = 5,637,667.08
5. Step 5: Solve for x
   x = 5,637,667.08/2,694.94
6. Step 6: Final answer
   x = 2,091.95