Finding the Fourth Proportional to 12,732.16, 19,100.96 and 3,966.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.16 : 19,100.96 = 3,966.88 : x
2. Step 2: Convert to fraction form
   12,732.16/19,100.96 = 3,966.88/x
3. Step 3: Cross multiply
   12,732.16x = 19,100.96 × 3,966.88
4. Step 4: Simplify right side
   12,732.16x = 75,771,216.20
5. Step 5: Solve for x
   x = 75,771,216.20/12,732.16
6. Step 6: Final answer
   x = 5,951.17