Finding the Fourth Proportional to 2,608.11, 3,599.17 and 1,429.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.11 : 3,599.17 = 1,429.18 : x
2. Step 2: Convert to fraction form
   2,608.11/3,599.17 = 1,429.18/x
3. Step 3: Cross multiply
   2,608.11x = 3,599.17 × 1,429.18
4. Step 4: Simplify right side
   2,608.11x = 5,143,870.42
5. Step 5: Solve for x
   x = 5,143,870.42/2,608.11
6. Step 6: Final answer
   x = 1,972.26