Finding the Fourth Proportional to 12,134.16, 16,742.16 and 7,416.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,134.16 : 16,742.16 = 7,416.72 : x
2. Step 2: Convert to fraction form
   12,134.16/16,742.16 = 7,416.72/x
3. Step 3: Cross multiply
   12,134.16x = 16,742.16 × 7,416.72
4. Step 4: Simplify right side
   12,134.16x = 124,171,912.92
5. Step 5: Solve for x
   x = 124,171,912.92/12,134.16
6. Step 6: Final answer
   x = 10,233.25