Finding the Fourth Proportional to 2,600.84, 3,902.81 and 958.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.84 : 3,902.81 = 958.54 : x
2. Step 2: Convert to fraction form
   2,600.84/3,902.81 = 958.54/x
3. Step 3: Cross multiply
   2,600.84x = 3,902.81 × 958.54
4. Step 4: Simplify right side
   2,600.84x = 3,741,004.46
5. Step 5: Solve for x
   x = 3,741,004.46/2,600.84
6. Step 6: Final answer
   x = 1,438.38