Finding the Fourth Proportional to 12,132.56, 16,743.24 and 7,419.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132.56 : 16,743.24 = 7,419.44 : x
2. Step 2: Convert to fraction form
   12,132.56/16,743.24 = 7,419.44/x
3. Step 3: Cross multiply
   12,132.56x = 16,743.24 × 7,419.44
4. Step 4: Simplify right side
   12,132.56x = 124,225,464.59
5. Step 5: Solve for x
   x = 124,225,464.59/12,132.56
6. Step 6: Final answer
   x = 10,239.02