Finding the Fourth Proportional to 2,308.01, 3,184.92 and 1,260.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.01 : 3,184.92 = 1,260.05 : x
2. Step 2: Convert to fraction form
   2,308.01/3,184.92 = 1,260.05/x
3. Step 3: Cross multiply
   2,308.01x = 3,184.92 × 1,260.05
4. Step 4: Simplify right side
   2,308.01x = 4,013,142.52
5. Step 5: Solve for x
   x = 4,013,142.52/2,308.01
6. Step 6: Final answer
   x = 1,738.79