Finding the Fourth Proportional to 2,601.29, 3,902.18 and 957.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.29 : 3,902.18 = 957.87 : x
2. Step 2: Convert to fraction form
   2,601.29/3,902.18 = 957.87/x
3. Step 3: Cross multiply
   2,601.29x = 3,902.18 × 957.87
4. Step 4: Simplify right side
   2,601.29x = 3,737,776.37
5. Step 5: Solve for x
   x = 3,737,776.37/2,601.29
6. Step 6: Final answer
   x = 1,436.90