Finding the Fourth Proportional to 11,818.69, 17,728.20 and 2,934.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.69 : 17,728.20 = 2,934.03 : x
2. Step 2: Convert to fraction form
   11,818.69/17,728.20 = 2,934.03/x
3. Step 3: Cross multiply
   11,818.69x = 17,728.20 × 2,934.03
4. Step 4: Simplify right side
   11,818.69x = 52,015,070.65
5. Step 5: Solve for x
   x = 52,015,070.65/11,818.69
6. Step 6: Final answer
   x = 4,401.09