Finding the Fourth Proportional to 11,814.99, 17,722.83 and 4,418.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,814.99 : 17,722.83 = 4,418.04 : x
2. Step 2: Convert to fraction form
   11,814.99/17,722.83 = 4,418.04/x
3. Step 3: Cross multiply
   11,814.99x = 17,722.83 × 4,418.04
4. Step 4: Simplify right side
   11,814.99x = 78,300,171.85
5. Step 5: Solve for x
   x = 78,300,171.85/11,814.99
6. Step 6: Final answer
   x = 6,627.19