Finding the Fourth Proportional to 12,673.83, 19,010.96 and 3,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.83 : 19,010.96 = 3,908.72 : x
2. Step 2: Convert to fraction form
   12,673.83/19,010.96 = 3,908.72/x
3. Step 3: Cross multiply
   12,673.83x = 19,010.96 × 3,908.72
4. Step 4: Simplify right side
   12,673.83x = 74,308,404.97
5. Step 5: Solve for x
   x = 74,308,404.97/12,673.83
6. Step 6: Final answer
   x = 5,863.14