Finding the Fourth Proportional to 2,884.56, 4,327.55 and 936.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.56 : 4,327.55 = 936.77 : x
2. Step 2: Convert to fraction form
   2,884.56/4,327.55 = 936.77/x
3. Step 3: Cross multiply
   2,884.56x = 4,327.55 × 936.77
4. Step 4: Simplify right side
   2,884.56x = 4,053,892.69
5. Step 5: Solve for x
   x = 4,053,892.69/2,884.56
6. Step 6: Final answer
   x = 1,405.38