Finding the Fourth Proportional to 2,227.88, 3,339.62 and 1,055.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.88 : 3,339.62 = 1,055.81 : x
2. Step 2: Convert to fraction form
   2,227.88/3,339.62 = 1,055.81/x
3. Step 3: Cross multiply
   2,227.88x = 3,339.62 × 1,055.81
4. Step 4: Simplify right side
   2,227.88x = 3,526,011.22
5. Step 5: Solve for x
   x = 3,526,011.22/2,227.88
6. Step 6: Final answer
   x = 1,582.67