Finding the Fourth Proportional to 2,608.58, 3,599.91 and 1,429.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.58 : 3,599.91 = 1,429.67 : x
2. Step 2: Convert to fraction form
   2,608.58/3,599.91 = 1,429.67/x
3. Step 3: Cross multiply
   2,608.58x = 3,599.91 × 1,429.67
4. Step 4: Simplify right side
   2,608.58x = 5,146,692.33
5. Step 5: Solve for x
   x = 5,146,692.33/2,608.58
6. Step 6: Final answer
   x = 1,972.98