Finding the Fourth Proportional to 2,100.96, 3,149.64 and 803.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.96 : 3,149.64 = 803.34 : x
2. Step 2: Convert to fraction form
   2,100.96/3,149.64 = 803.34/x
3. Step 3: Cross multiply
   2,100.96x = 3,149.64 × 803.34
4. Step 4: Simplify right side
   2,100.96x = 2,530,231.80
5. Step 5: Solve for x
   x = 2,530,231.80/2,100.96
6. Step 6: Final answer
   x = 1,204.32