Finding the Fourth Proportional to 2,600.79, 3,901.43 and 957.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.79 : 3,901.43 = 957.37 : x
2. Step 2: Convert to fraction form
   2,600.79/3,901.43 = 957.37/x
3. Step 3: Cross multiply
   2,600.79x = 3,901.43 × 957.37
4. Step 4: Simplify right side
   2,600.79x = 3,735,112.04
5. Step 5: Solve for x
   x = 3,735,112.04/2,600.79
6. Step 6: Final answer
   x = 1,436.15