Finding the Fourth Proportional to 11,994.42, 17,990.00 and 3,229.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.42 : 17,990.00 = 3,229.86 : x
2. Step 2: Convert to fraction form
   11,994.42/17,990.00 = 3,229.86/x
3. Step 3: Cross multiply
   11,994.42x = 17,990.00 × 3,229.86
4. Step 4: Simplify right side
   11,994.42x = 58,105,165.25
5. Step 5: Solve for x
   x = 58,105,165.25/11,994.42
6. Step 6: Final answer
   x = 4,844.35