Finding the Fourth Proportional to 2,606.78, 3,907.08 and 1,373.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.78 : 3,907.08 = 1,373.56 : x
2. Step 2: Convert to fraction form
   2,606.78/3,907.08 = 1,373.56/x
3. Step 3: Cross multiply
   2,606.78x = 3,907.08 × 1,373.56
4. Step 4: Simplify right side
   2,606.78x = 5,366,608.80
5. Step 5: Solve for x
   x = 5,366,608.80/2,606.78
6. Step 6: Final answer
   x = 2,058.71