Finding the Fourth Proportional to 1,483.14, 2,221.83 and 834.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.14 : 2,221.83 = 834.30 : x
2. Step 2: Convert to fraction form
   1,483.14/2,221.83 = 834.30/x
3. Step 3: Cross multiply
   1,483.14x = 2,221.83 × 834.30
4. Step 4: Simplify right side
   1,483.14x = 1,853,672.77
5. Step 5: Solve for x
   x = 1,853,672.77/1,483.14
6. Step 6: Final answer
   x = 1,249.83