Finding the Fourth Proportional to 12,728.90, 19,096.06 and 3,844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728.90 : 19,096.06 = 3,844.56 : x
2. Step 2: Convert to fraction form
   12,728.90/19,096.06 = 3,844.56/x
3. Step 3: Cross multiply
   12,728.90x = 19,096.06 × 3,844.56
4. Step 4: Simplify right side
   12,728.90x = 73,415,948.43
5. Step 5: Solve for x
   x = 73,415,948.43/12,728.90
6. Step 6: Final answer
   x = 5,767.66