Finding the Fourth Proportional to 8,785.63, 12,132.27 and 5,647.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.63 : 12,132.27 = 5,647.33 : x
2. Step 2: Convert to fraction form
   8,785.63/12,132.27 = 5,647.33/x
3. Step 3: Cross multiply
   8,785.63x = 12,132.27 × 5,647.33
4. Step 4: Simplify right side
   8,785.63x = 68,514,932.34
5. Step 5: Solve for x
   x = 68,514,932.34/8,785.63
6. Step 6: Final answer
   x = 7,798.52