Finding the Fourth Proportional to 10,994.91, 16,492.29 and 3,972.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.91 : 16,492.29 = 3,972.27 : x
2. Step 2: Convert to fraction form
   10,994.91/16,492.29 = 3,972.27/x
3. Step 3: Cross multiply
   10,994.91x = 16,492.29 × 3,972.27
4. Step 4: Simplify right side
   10,994.91x = 65,511,828.80
5. Step 5: Solve for x
   x = 65,511,828.80/10,994.91
6. Step 6: Final answer
   x = 5,958.38