Finding the Fourth Proportional to 2,600.49, 3,902.27 and 957.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.49 : 3,902.27 = 957.17 : x
2. Step 2: Convert to fraction form
   2,600.49/3,902.27 = 957.17/x
3. Step 3: Cross multiply
   2,600.49x = 3,902.27 × 957.17
4. Step 4: Simplify right side
   2,600.49x = 3,735,111.48
5. Step 5: Solve for x
   x = 3,735,111.48/2,600.49
6. Step 6: Final answer
   x = 1,436.31