Finding the Fourth Proportional to 2,256.82, 3,378.78 and 1,477.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.82 : 3,378.78 = 1,477.72 : x
2. Step 2: Convert to fraction form
   2,256.82/3,378.78 = 1,477.72/x
3. Step 3: Cross multiply
   2,256.82x = 3,378.78 × 1,477.72
4. Step 4: Simplify right side
   2,256.82x = 4,992,890.78
5. Step 5: Solve for x
   x = 4,992,890.78/2,256.82
6. Step 6: Final answer
   x = 2,212.36