Finding the Fourth Proportional to 11,327.35, 16,994.42 and 5,411.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,327.35 : 16,994.42 = 5,411.76 : x
2. Step 2: Convert to fraction form
   11,327.35/16,994.42 = 5,411.76/x
3. Step 3: Cross multiply
   11,327.35x = 16,994.42 × 5,411.76
4. Step 4: Simplify right side
   11,327.35x = 91,969,722.38
5. Step 5: Solve for x
   x = 91,969,722.38/11,327.35
6. Step 6: Final answer
   x = 8,119.26