Finding the Fourth Proportional to 2,960.69, 4,085.81 and 1,914.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.69 : 4,085.81 = 1,914.57 : x
2. Step 2: Convert to fraction form
   2,960.69/4,085.81 = 1,914.57/x
3. Step 3: Cross multiply
   2,960.69x = 4,085.81 × 1,914.57
4. Step 4: Simplify right side
   2,960.69x = 7,822,559.68
5. Step 5: Solve for x
   x = 7,822,559.68/2,960.69
6. Step 6: Final answer
   x = 2,642.15