Finding the Fourth Proportional to 2,608.72, 3,600.16 and 1,429.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.72 : 3,600.16 = 1,429.84 : x
2. Step 2: Convert to fraction form
   2,608.72/3,600.16 = 1,429.84/x
3. Step 3: Cross multiply
   2,608.72x = 3,600.16 × 1,429.84
4. Step 4: Simplify right side
   2,608.72x = 5,147,652.77
5. Step 5: Solve for x
   x = 5,147,652.77/2,608.72
6. Step 6: Final answer
   x = 1,973.25