Finding the Fourth Proportional to 2,048.69, 3,070.71 and 1,227.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.69 : 3,070.71 = 1,227.56 : x
2. Step 2: Convert to fraction form
   2,048.69/3,070.71 = 1,227.56/x
3. Step 3: Cross multiply
   2,048.69x = 3,070.71 × 1,227.56
4. Step 4: Simplify right side
   2,048.69x = 3,769,465.41
5. Step 5: Solve for x
   x = 3,769,465.41/2,048.69
6. Step 6: Final answer
   x = 1,839.94