Finding the Fourth Proportional to 1,608.39, 2,410.71 and 729.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.39 : 2,410.71 = 729.57 : x
2. Step 2: Convert to fraction form
   1,608.39/2,410.71 = 729.57/x
3. Step 3: Cross multiply
   1,608.39x = 2,410.71 × 729.57
4. Step 4: Simplify right side
   1,608.39x = 1,758,781.93
5. Step 5: Solve for x
   x = 1,758,781.93/1,608.39
6. Step 6: Final answer
   x = 1,093.50