Finding the Fourth Proportional to 8,829.38, 12,185.52 and 5,645.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,829.38 : 12,185.52 = 5,645.59 : x
2. Step 2: Convert to fraction form
   8,829.38/12,185.52 = 5,645.59/x
3. Step 3: Cross multiply
   8,829.38x = 12,185.52 × 5,645.59
4. Step 4: Simplify right side
   8,829.38x = 68,794,398.22
5. Step 5: Solve for x
   x = 68,794,398.22/8,829.38
6. Step 6: Final answer
   x = 7,791.53