Finding the Fourth Proportional to 1,608.47, 2,410.54 and 729.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.47 : 2,410.54 = 729.89 : x
2. Step 2: Convert to fraction form
   1,608.47/2,410.54 = 729.89/x
3. Step 3: Cross multiply
   1,608.47x = 2,410.54 × 729.89
4. Step 4: Simplify right side
   1,608.47x = 1,759,415.16
5. Step 5: Solve for x
   x = 1,759,415.16/1,608.47
6. Step 6: Final answer
   x = 1,093.84