Finding the Fourth Proportional to 2,009.95, 3,013.76 and 838.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.95 : 3,013.76 = 838.69 : x
2. Step 2: Convert to fraction form
   2,009.95/3,013.76 = 838.69/x
3. Step 3: Cross multiply
   2,009.95x = 3,013.76 × 838.69
4. Step 4: Simplify right side
   2,009.95x = 2,527,604.94
5. Step 5: Solve for x
   x = 2,527,604.94/2,009.95
6. Step 6: Final answer
   x = 1,257.55