Finding the Fourth Proportional to 1,796.55, 2,691.05 and 823.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.55 : 2,691.05 = 823.47 : x
2. Step 2: Convert to fraction form
   1,796.55/2,691.05 = 823.47/x
3. Step 3: Cross multiply
   1,796.55x = 2,691.05 × 823.47
4. Step 4: Simplify right side
   1,796.55x = 2,215,994.83
5. Step 5: Solve for x
   x = 2,215,994.83/1,796.55
6. Step 6: Final answer
   x = 1,233.47