Finding the Fourth Proportional to 2,146.77, 2,962.91 and 1,262.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.77 : 2,962.91 = 1,262.61 : x
2. Step 2: Convert to fraction form
   2,146.77/2,962.91 = 1,262.61/x
3. Step 3: Cross multiply
   2,146.77x = 2,962.91 × 1,262.61
4. Step 4: Simplify right side
   2,146.77x = 3,741,002.95
5. Step 5: Solve for x
   x = 3,741,002.95/2,146.77
6. Step 6: Final answer
   x = 1,742.62