Finding the Fourth Proportional to 1,698.89, 2,342.45 and 1,449.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698.89 : 2,342.45 = 1,449.41 : x
2. Step 2: Convert to fraction form
   1,698.89/2,342.45 = 1,449.41/x
3. Step 3: Cross multiply
   1,698.89x = 2,342.45 × 1,449.41
4. Step 4: Simplify right side
   1,698.89x = 3,395,162.37
5. Step 5: Solve for x
   x = 3,395,162.37/1,698.89
6. Step 6: Final answer
   x = 1,998.47