Finding the Fourth Proportional to 1,475.86, 2,036.61 and 812.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.86 : 2,036.61 = 812.59 : x
2. Step 2: Convert to fraction form
   1,475.86/2,036.61 = 812.59/x
3. Step 3: Cross multiply
   1,475.86x = 2,036.61 × 812.59
4. Step 4: Simplify right side
   1,475.86x = 1,654,928.92
5. Step 5: Solve for x
   x = 1,654,928.92/1,475.86
6. Step 6: Final answer
   x = 1,121.33