Finding the Fourth Proportional to 2,148.29, 3,222.22 and 849.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.29 : 3,222.22 = 849.86 : x
2. Step 2: Convert to fraction form
   2,148.29/3,222.22 = 849.86/x
3. Step 3: Cross multiply
   2,148.29x = 3,222.22 × 849.86
4. Step 4: Simplify right side
   2,148.29x = 2,738,435.89
5. Step 5: Solve for x
   x = 2,738,435.89/2,148.29
6. Step 6: Final answer
   x = 1,274.70