Finding the Fourth Proportional to 12,731.38, 19,096.16 and 3,966.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,731.38 : 19,096.16 = 3,966.06 : x
2. Step 2: Convert to fraction form
   12,731.38/19,096.16 = 3,966.06/x
3. Step 3: Cross multiply
   12,731.38x = 19,096.16 × 3,966.06
4. Step 4: Simplify right side
   12,731.38x = 75,736,568.11
5. Step 5: Solve for x
   x = 75,736,568.11/12,731.38
6. Step 6: Final answer
   x = 5,948.81