Finding the Fourth Proportional to 1,227.88, 1,839.39 and 1,182.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.88 : 1,839.39 = 1,182.79 : x
2. Step 2: Convert to fraction form
   1,227.88/1,839.39 = 1,182.79/x
3. Step 3: Cross multiply
   1,227.88x = 1,839.39 × 1,182.79
4. Step 4: Simplify right side
   1,227.88x = 2,175,612.10
5. Step 5: Solve for x
   x = 2,175,612.10/1,227.88
6. Step 6: Final answer
   x = 1,771.84