Finding the Fourth Proportional to 1,960.37, 2,938.76 and 849.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.37 : 2,938.76 = 849.09 : x
2. Step 2: Convert to fraction form
   1,960.37/2,938.76 = 849.09/x
3. Step 3: Cross multiply
   1,960.37x = 2,938.76 × 849.09
4. Step 4: Simplify right side
   1,960.37x = 2,495,281.69
5. Step 5: Solve for x
   x = 2,495,281.69/1,960.37
6. Step 6: Final answer
   x = 1,272.86