Finding the Fourth Proportional to 2,691.51, 4,033.59 and 1,227.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.51 : 4,033.59 = 1,227.42 : x
2. Step 2: Convert to fraction form
   2,691.51/4,033.59 = 1,227.42/x
3. Step 3: Cross multiply
   2,691.51x = 4,033.59 × 1,227.42
4. Step 4: Simplify right side
   2,691.51x = 4,950,909.04
5. Step 5: Solve for x
   x = 4,950,909.04/2,691.51
6. Step 6: Final answer
   x = 1,839.45