Finding the Fourth Proportional to 8,857.82, 13,280.52 and 3,924.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,857.82 : 13,280.52 = 3,924.78 : x
2. Step 2: Convert to fraction form
   8,857.82/13,280.52 = 3,924.78/x
3. Step 3: Cross multiply
   8,857.82x = 13,280.52 × 3,924.78
4. Step 4: Simplify right side
   8,857.82x = 52,123,119.29
5. Step 5: Solve for x
   x = 52,123,119.29/8,857.82
6. Step 6: Final answer
   x = 5,884.42