Finding the Fourth Proportional to 2,608.74, 3,600.05 and 1,429.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.74 : 3,600.05 = 1,429.79 : x
2. Step 2: Convert to fraction form
   2,608.74/3,600.05 = 1,429.79/x
3. Step 3: Cross multiply
   2,608.74x = 3,600.05 × 1,429.79
4. Step 4: Simplify right side
   2,608.74x = 5,147,290.34
5. Step 5: Solve for x
   x = 5,147,290.34/2,608.74
6. Step 6: Final answer
   x = 1,973.09