Finding the Fourth Proportional to 2,308.67, 3,186.01 and 1,260.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.67 : 3,186.01 = 1,260.73 : x
2. Step 2: Convert to fraction form
   2,308.67/3,186.01 = 1,260.73/x
3. Step 3: Cross multiply
   2,308.67x = 3,186.01 × 1,260.73
4. Step 4: Simplify right side
   2,308.67x = 4,016,698.39
5. Step 5: Solve for x
   x = 4,016,698.39/2,308.67
6. Step 6: Final answer
   x = 1,739.83