Finding the Fourth Proportional to 2,148.84, 3,222.27 and 849.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.84 : 3,222.27 = 849.42 : x
2. Step 2: Convert to fraction form
   2,148.84/3,222.27 = 849.42/x
3. Step 3: Cross multiply
   2,148.84x = 3,222.27 × 849.42
4. Step 4: Simplify right side
   2,148.84x = 2,737,060.58
5. Step 5: Solve for x
   x = 2,737,060.58/2,148.84
6. Step 6: Final answer
   x = 1,273.74