Finding the Fourth Proportional to 12,719.15, 17,551.32 and 7,414.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.15 : 17,551.32 = 7,414.46 : x
2. Step 2: Convert to fraction form
   12,719.15/17,551.32 = 7,414.46/x
3. Step 3: Cross multiply
   12,719.15x = 17,551.32 × 7,414.46
4. Step 4: Simplify right side
   12,719.15x = 130,133,472.33
5. Step 5: Solve for x
   x = 130,133,472.33/12,719.15
6. Step 6: Final answer
   x = 10,231.31