Finding the Fourth Proportional to 2,786.67, 3,845.59 and 1,527.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.67 : 3,845.59 = 1,527.78 : x
2. Step 2: Convert to fraction form
   2,786.67/3,845.59 = 1,527.78/x
3. Step 3: Cross multiply
   2,786.67x = 3,845.59 × 1,527.78
4. Step 4: Simplify right side
   2,786.67x = 5,875,205.88
5. Step 5: Solve for x
   x = 5,875,205.88/2,786.67
6. Step 6: Final answer
   x = 2,108.32