Finding the Fourth Proportional to 2,231.42, 3,079.82 and 1,485.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.42 : 3,079.82 = 1,485.41 : x
2. Step 2: Convert to fraction form
   2,231.42/3,079.82 = 1,485.41/x
3. Step 3: Cross multiply
   2,231.42x = 3,079.82 × 1,485.41
4. Step 4: Simplify right side
   2,231.42x = 4,574,783.74
5. Step 5: Solve for x
   x = 4,574,783.74/2,231.42
6. Step 6: Final answer
   x = 2,050.17