Finding the Fourth Proportional to 12,673.50, 19,010.52 and 3,909.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.50 : 19,010.52 = 3,909.18 : x
2. Step 2: Convert to fraction form
   12,673.50/19,010.52 = 3,909.18/x
3. Step 3: Cross multiply
   12,673.50x = 19,010.52 × 3,909.18
4. Step 4: Simplify right side
   12,673.50x = 74,315,544.57
5. Step 5: Solve for x
   x = 74,315,544.57/12,673.50
6. Step 6: Final answer
   x = 5,863.85