Finding the Fourth Proportional to 2,866.14, 3,956.55 and 1,804.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.14 : 3,956.55 = 1,804.86 : x
2. Step 2: Convert to fraction form
   2,866.14/3,956.55 = 1,804.86/x
3. Step 3: Cross multiply
   2,866.14x = 3,956.55 × 1,804.86
4. Step 4: Simplify right side
   2,866.14x = 7,141,018.83
5. Step 5: Solve for x
   x = 7,141,018.83/2,866.14
6. Step 6: Final answer
   x = 2,491.51