Finding the Fourth Proportional to 2,210.48, 3,314.86 and 804.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.48 : 3,314.86 = 804.56 : x
2. Step 2: Convert to fraction form
   2,210.48/3,314.86 = 804.56/x
3. Step 3: Cross multiply
   2,210.48x = 3,314.86 × 804.56
4. Step 4: Simplify right side
   2,210.48x = 2,667,003.76
5. Step 5: Solve for x
   x = 2,667,003.76/2,210.48
6. Step 6: Final answer
   x = 1,206.53