Finding the Fourth Proportional to 2,608.84, 3,600.18 and 1,429.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.84 : 3,600.18 = 1,429.90 : x
2. Step 2: Convert to fraction form
   2,608.84/3,600.18 = 1,429.90/x
3. Step 3: Cross multiply
   2,608.84x = 3,600.18 × 1,429.90
4. Step 4: Simplify right side
   2,608.84x = 5,147,897.38
5. Step 5: Solve for x
   x = 5,147,897.38/2,608.84
6. Step 6: Final answer
   x = 1,973.25