Finding the Fourth Proportional to 12,673.63, 19,009.38 and 3,908.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.63 : 19,009.38 = 3,908.62 : x
2. Step 2: Convert to fraction form
   12,673.63/19,009.38 = 3,908.62/x
3. Step 3: Cross multiply
   12,673.63x = 19,009.38 × 3,908.62
4. Step 4: Simplify right side
   12,673.63x = 74,300,442.86
5. Step 5: Solve for x
   x = 74,300,442.86/12,673.63
6. Step 6: Final answer
   x = 5,862.60