Finding the Fourth Proportional to 11,002.26, 16,505.40 and 4,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.26 : 16,505.40 = 4,429.10 : x
2. Step 2: Convert to fraction form
   11,002.26/16,505.40 = 4,429.10/x
3. Step 3: Cross multiply
   11,002.26x = 16,505.40 × 4,429.10
4. Step 4: Simplify right side
   11,002.26x = 73,104,067.14
5. Step 5: Solve for x
   x = 73,104,067.14/11,002.26
6. Step 6: Final answer
   x = 6,644.46