Finding the Fourth Proportional to 2,608.19, 3,599.30 and 1,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.19 : 3,599.30 = 1,429.28 : x
2. Step 2: Convert to fraction form
   2,608.19/3,599.30 = 1,429.28/x
3. Step 3: Cross multiply
   2,608.19x = 3,599.30 × 1,429.28
4. Step 4: Simplify right side
   2,608.19x = 5,144,407.50
5. Step 5: Solve for x
   x = 5,144,407.50/2,608.19
6. Step 6: Final answer
   x = 1,972.41