Finding the Fourth Proportional to 3,967.39, 5,949.27 and 2,118.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.39 : 5,949.27 = 2,118.07 : x
2. Step 2: Convert to fraction form
   3,967.39/5,949.27 = 2,118.07/x
3. Step 3: Cross multiply
   3,967.39x = 5,949.27 × 2,118.07
4. Step 4: Simplify right side
   3,967.39x = 12,600,970.31
5. Step 5: Solve for x
   x = 12,600,970.31/3,967.39
6. Step 6: Final answer
   x = 3,176.14