Finding the Fourth Proportional to 11,050.32, 16,578.22 and 5,205.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,050.32 : 16,578.22 = 5,205.56 : x
2. Step 2: Convert to fraction form
   11,050.32/16,578.22 = 5,205.56/x
3. Step 3: Cross multiply
   11,050.32x = 16,578.22 × 5,205.56
4. Step 4: Simplify right side
   11,050.32x = 86,298,918.90
5. Step 5: Solve for x
   x = 86,298,918.90/11,050.32
6. Step 6: Final answer
   x = 7,809.63