Finding the Fourth Proportional to 3,109.32, 4,665.92 and 1,260.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.32 : 4,665.92 = 1,260.46 : x
2. Step 2: Convert to fraction form
   3,109.32/4,665.92 = 1,260.46/x
3. Step 3: Cross multiply
   3,109.32x = 4,665.92 × 1,260.46
4. Step 4: Simplify right side
   3,109.32x = 5,881,205.52
5. Step 5: Solve for x
   x = 5,881,205.52/3,109.32
6. Step 6: Final answer
   x = 1,891.48