Finding the Fourth Proportional to 10,994.24, 16,481.51 and 3,972.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.24 : 16,481.51 = 3,972.61 : x
2. Step 2: Convert to fraction form
   10,994.24/16,481.51 = 3,972.61/x
3. Step 3: Cross multiply
   10,994.24x = 16,481.51 × 3,972.61
4. Step 4: Simplify right side
   10,994.24x = 65,474,550.37
5. Step 5: Solve for x
   x = 65,474,550.37/10,994.24
6. Step 6: Final answer
   x = 5,955.35