Finding the Fourth Proportional to 1,484.83, 2,049.03 and 812.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.83 : 2,049.03 = 812.62 : x
2. Step 2: Convert to fraction form
   1,484.83/2,049.03 = 812.62/x
3. Step 3: Cross multiply
   1,484.83x = 2,049.03 × 812.62
4. Step 4: Simplify right side
   1,484.83x = 1,665,082.76
5. Step 5: Solve for x
   x = 1,665,082.76/1,484.83
6. Step 6: Final answer
   x = 1,121.40