Finding the Fourth Proportional to 2,608.56, 3,599.82 and 1,429.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.56 : 3,599.82 = 1,429.66 : x
2. Step 2: Convert to fraction form
   2,608.56/3,599.82 = 1,429.66/x
3. Step 3: Cross multiply
   2,608.56x = 3,599.82 × 1,429.66
4. Step 4: Simplify right side
   2,608.56x = 5,146,515.09
5. Step 5: Solve for x
   x = 5,146,515.09/2,608.56
6. Step 6: Final answer
   x = 1,972.93