Finding the Fourth Proportional to 11,994.09, 17,989.72 and 3,228.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.09 : 17,989.72 = 3,228.31 : x
2. Step 2: Convert to fraction form
   11,994.09/17,989.72 = 3,228.31/x
3. Step 3: Cross multiply
   11,994.09x = 17,989.72 × 3,228.31
4. Step 4: Simplify right side
   11,994.09x = 58,076,392.97
5. Step 5: Solve for x
   x = 58,076,392.97/11,994.09
6. Step 6: Final answer
   x = 4,842.08