Finding the Fourth Proportional to 2,063.85, 3,094.53 and 812.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.85 : 3,094.53 = 812.94 : x
2. Step 2: Convert to fraction form
   2,063.85/3,094.53 = 812.94/x
3. Step 3: Cross multiply
   2,063.85x = 3,094.53 × 812.94
4. Step 4: Simplify right side
   2,063.85x = 2,515,667.22
5. Step 5: Solve for x
   x = 2,515,667.22/2,063.85
6. Step 6: Final answer
   x = 1,218.92