Finding the Fourth Proportional to 2,162.38, 3,243.76 and 701.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.38 : 3,243.76 = 701.78 : x
2. Step 2: Convert to fraction form
   2,162.38/3,243.76 = 701.78/x
3. Step 3: Cross multiply
   2,162.38x = 3,243.76 × 701.78
4. Step 4: Simplify right side
   2,162.38x = 2,276,405.89
5. Step 5: Solve for x
   x = 2,276,405.89/2,162.38
6. Step 6: Final answer
   x = 1,052.73