Finding the Fourth Proportional to 12,132.63, 16,735.73 and 7,408.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132.63 : 16,735.73 = 7,408.71 : x
2. Step 2: Convert to fraction form
   12,132.63/16,735.73 = 7,408.71/x
3. Step 3: Cross multiply
   12,132.63x = 16,735.73 × 7,408.71
4. Step 4: Simplify right side
   12,132.63x = 123,990,133.16
5. Step 5: Solve for x
   x = 123,990,133.16/12,132.63
6. Step 6: Final answer
   x = 10,219.56