Finding the Fourth Proportional to 2,227.32, 3,338.78 and 1,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.32 : 3,338.78 = 1,055.25 : x
2. Step 2: Convert to fraction form
   2,227.32/3,338.78 = 1,055.25/x
3. Step 3: Cross multiply
   2,227.32x = 3,338.78 × 1,055.25
4. Step 4: Simplify right side
   2,227.32x = 3,523,242.32
5. Step 5: Solve for x
   x = 3,523,242.32/2,227.32
6. Step 6: Final answer
   x = 1,581.83