Finding the Fourth Proportional to 2,769.07, 4,155.42 and 1,308.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.07 : 4,155.42 = 1,308.37 : x
2. Step 2: Convert to fraction form
   2,769.07/4,155.42 = 1,308.37/x
3. Step 3: Cross multiply
   2,769.07x = 4,155.42 × 1,308.37
4. Step 4: Simplify right side
   2,769.07x = 5,436,806.09
5. Step 5: Solve for x
   x = 5,436,806.09/2,769.07
6. Step 6: Final answer
   x = 1,963.41