Finding the Fourth Proportional to 1,890.54, 2,839.86 and 1,484.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.54 : 2,839.86 = 1,484.46 : x
2. Step 2: Convert to fraction form
   1,890.54/2,839.86 = 1,484.46/x
3. Step 3: Cross multiply
   1,890.54x = 2,839.86 × 1,484.46
4. Step 4: Simplify right side
   1,890.54x = 4,215,658.58
5. Step 5: Solve for x
   x = 4,215,658.58/1,890.54
6. Step 6: Final answer
   x = 2,229.87