Finding the Fourth Proportional to 12,026.56, 16,596.61 and 6,721.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,026.56 : 16,596.61 = 6,721.37 : x
2. Step 2: Convert to fraction form
   12,026.56/16,596.61 = 6,721.37/x
3. Step 3: Cross multiply
   12,026.56x = 16,596.61 × 6,721.37
4. Step 4: Simplify right side
   12,026.56x = 111,551,956.56
5. Step 5: Solve for x
   x = 111,551,956.56/12,026.56
6. Step 6: Final answer
   x = 9,275.47