Finding the Fourth Proportional to 2,800.32, 3,859.56 and 2,052.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.32 : 3,859.56 = 2,052.69 : x
2. Step 2: Convert to fraction form
   2,800.32/3,859.56 = 2,052.69/x
3. Step 3: Cross multiply
   2,800.32x = 3,859.56 × 2,052.69
4. Step 4: Simplify right side
   2,800.32x = 7,922,480.22
5. Step 5: Solve for x
   x = 7,922,480.22/2,800.32
6. Step 6: Final answer
   x = 2,829.13