Finding the Fourth Proportional to 2,048.58, 3,065.31 and 1,227.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.58 : 3,065.31 = 1,227.42 : x
2. Step 2: Convert to fraction form
   2,048.58/3,065.31 = 1,227.42/x
3. Step 3: Cross multiply
   2,048.58x = 3,065.31 × 1,227.42
4. Step 4: Simplify right side
   2,048.58x = 3,762,422.80
5. Step 5: Solve for x
   x = 3,762,422.80/2,048.58
6. Step 6: Final answer
   x = 1,836.60