Finding the Fourth Proportional to 13,327.92, 19,994.58 and 3,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,327.92 : 19,994.58 = 3,968.10 : x
2. Step 2: Convert to fraction form
   13,327.92/19,994.58 = 3,968.10/x
3. Step 3: Cross multiply
   13,327.92x = 19,994.58 × 3,968.10
4. Step 4: Simplify right side
   13,327.92x = 79,340,492.90
5. Step 5: Solve for x
   x = 79,340,492.90/13,327.92
6. Step 6: Final answer
   x = 5,952.95