Finding the Fourth Proportional to 2,608.50, 3,599.69 and 1,429.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.50 : 3,599.69 = 1,429.55 : x
2. Step 2: Convert to fraction form
   2,608.50/3,599.69 = 1,429.55/x
3. Step 3: Cross multiply
   2,608.50x = 3,599.69 × 1,429.55
4. Step 4: Simplify right side
   2,608.50x = 5,145,933.23
5. Step 5: Solve for x
   x = 5,145,933.23/2,608.50
6. Step 6: Final answer
   x = 1,972.75