Finding the Fourth Proportional to 1,629.89, 2,245.52 and 1,204.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.89 : 2,245.52 = 1,204.64 : x
2. Step 2: Convert to fraction form
   1,629.89/2,245.52 = 1,204.64/x
3. Step 3: Cross multiply
   1,629.89x = 2,245.52 × 1,204.64
4. Step 4: Simplify right side
   1,629.89x = 2,705,025.96
5. Step 5: Solve for x
   x = 2,705,025.96/1,629.89
6. Step 6: Final answer
   x = 1,659.64