Finding the Fourth Proportional to 11,185.12, 16,780.42 and 5,565.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,185.12 : 16,780.42 = 5,565.44 : x
2. Step 2: Convert to fraction form
   11,185.12/16,780.42 = 5,565.44/x
3. Step 3: Cross multiply
   11,185.12x = 16,780.42 × 5,565.44
4. Step 4: Simplify right side
   11,185.12x = 93,390,469.59
5. Step 5: Solve for x
   x = 93,390,469.59/11,185.12
6. Step 6: Final answer
   x = 8,349.53