Finding the Fourth Proportional to 2,604.05, 3,908.16 and 1,372.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.05 : 3,908.16 = 1,372.19 : x
2. Step 2: Convert to fraction form
   2,604.05/3,908.16 = 1,372.19/x
3. Step 3: Cross multiply
   2,604.05x = 3,908.16 × 1,372.19
4. Step 4: Simplify right side
   2,604.05x = 5,362,738.07
5. Step 5: Solve for x
   x = 5,362,738.07/2,604.05
6. Step 6: Final answer
   x = 2,059.38