Finding the Fourth Proportional to 3,865.56, 5,796.39 and 1,891.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865.56 : 5,796.39 = 1,891.33 : x
2. Step 2: Convert to fraction form
   3,865.56/5,796.39 = 1,891.33/x
3. Step 3: Cross multiply
   3,865.56x = 5,796.39 × 1,891.33
4. Step 4: Simplify right side
   3,865.56x = 10,962,911.50
5. Step 5: Solve for x
   x = 10,962,911.50/3,865.56
6. Step 6: Final answer
   x = 2,836.05