Finding the Fourth Proportional to 2,146.51, 2,962.72 and 1,262.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.51 : 2,962.72 = 1,262.91 : x
2. Step 2: Convert to fraction form
   2,146.51/2,962.72 = 1,262.91/x
3. Step 3: Cross multiply
   2,146.51x = 2,962.72 × 1,262.91
4. Step 4: Simplify right side
   2,146.51x = 3,741,648.72
5. Step 5: Solve for x
   x = 3,741,648.72/2,146.51
6. Step 6: Final answer
   x = 1,743.13