Finding the Fourth Proportional to 2,207.31, 3,046.30 and 1,262.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,207.31 : 3,046.30 = 1,262.91 : x
2. Step 2: Convert to fraction form
   2,207.31/3,046.30 = 1,262.91/x
3. Step 3: Cross multiply
   2,207.31x = 3,046.30 × 1,262.91
4. Step 4: Simplify right side
   2,207.31x = 3,847,196.42
5. Step 5: Solve for x
   x = 3,847,196.42/2,207.31
6. Step 6: Final answer
   x = 1,742.93