Finding the Fourth Proportional to 1,796.27, 2,693.72 and 821.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.27 : 2,693.72 = 821.69 : x
2. Step 2: Convert to fraction form
   1,796.27/2,693.72 = 821.69/x
3. Step 3: Cross multiply
   1,796.27x = 2,693.72 × 821.69
4. Step 4: Simplify right side
   1,796.27x = 2,213,402.79
5. Step 5: Solve for x
   x = 2,213,402.79/1,796.27
6. Step 6: Final answer
   x = 1,232.22