Finding the Fourth Proportional to 2,608.82, 3,600.20 and 1,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.82 : 3,600.20 = 1,429.86 : x
2. Step 2: Convert to fraction form
   2,608.82/3,600.20 = 1,429.86/x
3. Step 3: Cross multiply
   2,608.82x = 3,600.20 × 1,429.86
4. Step 4: Simplify right side
   2,608.82x = 5,147,781.97
5. Step 5: Solve for x
   x = 5,147,781.97/2,608.82
6. Step 6: Final answer
   x = 1,973.22