Finding the Fourth Proportional to 2,728.91, 3,765.89 and 1,486.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.91 : 3,765.89 = 1,486.91 : x
2. Step 2: Convert to fraction form
   2,728.91/3,765.89 = 1,486.91/x
3. Step 3: Cross multiply
   2,728.91x = 3,765.89 × 1,486.91
4. Step 4: Simplify right side
   2,728.91x = 5,599,527.24
5. Step 5: Solve for x
   x = 5,599,527.24/2,728.91
6. Step 6: Final answer
   x = 2,051.93