Finding the Fourth Proportional to 2,945.27, 4,064.52 and 1,686.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.27 : 4,064.52 = 1,686.32 : x
2. Step 2: Convert to fraction form
   2,945.27/4,064.52 = 1,686.32/x
3. Step 3: Cross multiply
   2,945.27x = 4,064.52 × 1,686.32
4. Step 4: Simplify right side
   2,945.27x = 6,854,081.37
5. Step 5: Solve for x
   x = 6,854,081.37/2,945.27
6. Step 6: Final answer
   x = 2,327.15