Finding the Fourth Proportional to 2,608.51, 3,599.59 and 1,429.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.51 : 3,599.59 = 1,429.35 : x
2. Step 2: Convert to fraction form
   2,608.51/3,599.59 = 1,429.35/x
3. Step 3: Cross multiply
   2,608.51x = 3,599.59 × 1,429.35
4. Step 4: Simplify right side
   2,608.51x = 5,145,073.97
5. Step 5: Solve for x
   x = 5,145,073.97/2,608.51
6. Step 6: Final answer
   x = 1,972.42