Finding the Fourth Proportional to 2,608.31, 3,599.47 and 1,429.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.31 : 3,599.47 = 1,429.41 : x
2. Step 2: Convert to fraction form
   2,608.31/3,599.47 = 1,429.41/x
3. Step 3: Cross multiply
   2,608.31x = 3,599.47 × 1,429.41
4. Step 4: Simplify right side
   2,608.31x = 5,145,120.20
5. Step 5: Solve for x
   x = 5,145,120.20/2,608.31
6. Step 6: Final answer
   x = 1,972.59