Finding the Fourth Proportional to 11,074.09, 15,269.83 and 9,051.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,074.09 : 15,269.83 = 9,051.23 : x
2. Step 2: Convert to fraction form
   11,074.09/15,269.83 = 9,051.23/x
3. Step 3: Cross multiply
   11,074.09x = 15,269.83 × 9,051.23
4. Step 4: Simplify right side
   11,074.09x = 138,210,644.41
5. Step 5: Solve for x
   x = 138,210,644.41/11,074.09
6. Step 6: Final answer
   x = 12,480.54