Finding the Fourth Proportional to 10,818.02, 16,212.90 and 5,548.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.02 : 16,212.90 = 5,548.56 : x
2. Step 2: Convert to fraction form
   10,818.02/16,212.90 = 5,548.56/x
3. Step 3: Cross multiply
   10,818.02x = 16,212.90 × 5,548.56
4. Step 4: Simplify right side
   10,818.02x = 89,958,248.42
5. Step 5: Solve for x
   x = 89,958,248.42/10,818.02
6. Step 6: Final answer
   x = 8,315.59