Finding the Fourth Proportional to 10,818.56, 16,228.32 and 5,276.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.56 : 16,228.32 = 5,276.48 : x
2. Step 2: Convert to fraction form
   10,818.56/16,228.32 = 5,276.48/x
3. Step 3: Cross multiply
   10,818.56x = 16,228.32 × 5,276.48
4. Step 4: Simplify right side
   10,818.56x = 85,628,405.91
5. Step 5: Solve for x
   x = 85,628,405.91/10,818.56
6. Step 6: Final answer
   x = 7,914.95