Finding the Fourth Proportional to 11,994.59, 17,990.48 and 3,228.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.59 : 17,990.48 = 3,228.81 : x
2. Step 2: Convert to fraction form
   11,994.59/17,990.48 = 3,228.81/x
3. Step 3: Cross multiply
   11,994.59x = 17,990.48 × 3,228.81
4. Step 4: Simplify right side
   11,994.59x = 58,087,825.58
5. Step 5: Solve for x
   x = 58,087,825.58/11,994.59
6. Step 6: Final answer
   x = 4,842.84