Finding the Fourth Proportional to 1,649.44, 2,274.69 and 1,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.44 : 2,274.69 = 1,485.42 : x
2. Step 2: Convert to fraction form
   1,649.44/2,274.69 = 1,485.42/x
3. Step 3: Cross multiply
   1,649.44x = 2,274.69 × 1,485.42
4. Step 4: Simplify right side
   1,649.44x = 3,378,870.02
5. Step 5: Solve for x
   x = 3,378,870.02/1,649.44
6. Step 6: Final answer
   x = 2,048.50