Finding the Fourth Proportional to 2,591.81, 3,887.69 and 1,204.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.81 : 3,887.69 = 1,204.37 : x
2. Step 2: Convert to fraction form
   2,591.81/3,887.69 = 1,204.37/x
3. Step 3: Cross multiply
   2,591.81x = 3,887.69 × 1,204.37
4. Step 4: Simplify right side
   2,591.81x = 4,682,229.94
5. Step 5: Solve for x
   x = 4,682,229.94/2,591.81
6. Step 6: Final answer
   x = 1,806.55