Finding the Fourth Proportional to 2,146.42, 2,963.02 and 1,262.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.42 : 2,963.02 = 1,262.28 : x
2. Step 2: Convert to fraction form
   2,146.42/2,963.02 = 1,262.28/x
3. Step 3: Cross multiply
   2,146.42x = 2,963.02 × 1,262.28
4. Step 4: Simplify right side
   2,146.42x = 3,740,160.89
5. Step 5: Solve for x
   x = 3,740,160.89/2,146.42
6. Step 6: Final answer
   x = 1,742.51