Finding the Fourth Proportional to 1,323.86, 1,825.65 and 851.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.86 : 1,825.65 = 851.27 : x
2. Step 2: Convert to fraction form
   1,323.86/1,825.65 = 851.27/x
3. Step 3: Cross multiply
   1,323.86x = 1,825.65 × 851.27
4. Step 4: Simplify right side
   1,323.86x = 1,554,111.95
5. Step 5: Solve for x
   x = 1,554,111.95/1,323.86
6. Step 6: Final answer
   x = 1,173.93