Finding the Fourth Proportional to 2,146.64, 2,962.58 and 1,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.64 : 2,962.58 = 1,262.72 : x
2. Step 2: Convert to fraction form
   2,146.64/2,962.58 = 1,262.72/x
3. Step 3: Cross multiply
   2,146.64x = 2,962.58 × 1,262.72
4. Step 4: Simplify right side
   2,146.64x = 3,740,910.11
5. Step 5: Solve for x
   x = 3,740,910.11/2,146.64
6. Step 6: Final answer
   x = 1,742.69