Finding the Fourth Proportional to 3,933.93, 5,429.62 and 2,256.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.93 : 5,429.62 = 2,256.47 : x
2. Step 2: Convert to fraction form
   3,933.93/5,429.62 = 2,256.47/x
3. Step 3: Cross multiply
   3,933.93x = 5,429.62 × 2,256.47
4. Step 4: Simplify right side
   3,933.93x = 12,251,788.52
5. Step 5: Solve for x
   x = 12,251,788.52/3,933.93
6. Step 6: Final answer
   x = 3,114.39