Finding the Fourth Proportional to 3,783.27, 5,219.61 and 2,288.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.27 : 5,219.61 = 2,288.58 : x
2. Step 2: Convert to fraction form
   3,783.27/5,219.61 = 2,288.58/x
3. Step 3: Cross multiply
   3,783.27x = 5,219.61 × 2,288.58
4. Step 4: Simplify right side
   3,783.27x = 11,945,495.05
5. Step 5: Solve for x
   x = 11,945,495.05/3,783.27
6. Step 6: Final answer
   x = 3,157.45