Finding the Fourth Proportional to 2,847.24, 3,931.59 and 1,786.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.24 : 3,931.59 = 1,786.77 : x
2. Step 2: Convert to fraction form
   2,847.24/3,931.59 = 1,786.77/x
3. Step 3: Cross multiply
   2,847.24x = 3,931.59 × 1,786.77
4. Step 4: Simplify right side
   2,847.24x = 7,024,847.06
5. Step 5: Solve for x
   x = 7,024,847.06/2,847.24
6. Step 6: Final answer
   x = 2,467.25