Finding the Fourth Proportional to 1,475.89, 2,036.73 and 812.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.89 : 2,036.73 = 812.79 : x
2. Step 2: Convert to fraction form
   1,475.89/2,036.73 = 812.79/x
3. Step 3: Cross multiply
   1,475.89x = 2,036.73 × 812.79
4. Step 4: Simplify right side
   1,475.89x = 1,655,433.78
5. Step 5: Solve for x
   x = 1,655,433.78/1,475.89
6. Step 6: Final answer
   x = 1,121.65