Finding the Fourth Proportional to 12,028.28, 16,598.72 and 6,723.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,028.28 : 16,598.72 = 6,723.59 : x
2. Step 2: Convert to fraction form
   12,028.28/16,598.72 = 6,723.59/x
3. Step 3: Cross multiply
   12,028.28x = 16,598.72 × 6,723.59
4. Step 4: Simplify right side
   12,028.28x = 111,602,871.19
5. Step 5: Solve for x
   x = 111,602,871.19/12,028.28
6. Step 6: Final answer
   x = 9,278.38