Finding the Fourth Proportional to 10,818.30, 16,228.05 and 3,027.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.30 : 16,228.05 = 3,027.72 : x
2. Step 2: Convert to fraction form
   10,818.30/16,228.05 = 3,027.72/x
3. Step 3: Cross multiply
   10,818.30x = 16,228.05 × 3,027.72
4. Step 4: Simplify right side
   10,818.30x = 49,133,991.55
5. Step 5: Solve for x
   x = 49,133,991.55/10,818.30
6. Step 6: Final answer
   x = 4,541.75