Finding the Fourth Proportional to 21,425.06, 32,158.38 and 10,339.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,425.06 : 32,158.38 = 10,339.56 : x
2. Step 2: Convert to fraction form
   21,425.06/32,158.38 = 10,339.56/x
3. Step 3: Cross multiply
   21,425.06x = 32,158.38 × 10,339.56
4. Step 4: Simplify right side
   21,425.06x = 332,503,499.51
5. Step 5: Solve for x
   x = 332,503,499.51/21,425.06
6. Step 6: Final answer
   x = 15,519.37