Finding the Fourth Proportional to 8,567.82, 12,822.50 and 7,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,567.82 : 12,822.50 = 7,182.72 : x
2. Step 2: Convert to fraction form
   8,567.82/12,822.50 = 7,182.72/x
3. Step 3: Cross multiply
   8,567.82x = 12,822.50 × 7,182.72
4. Step 4: Simplify right side
   8,567.82x = 92,100,427.20
5. Step 5: Solve for x
   x = 92,100,427.20/8,567.82
6. Step 6: Final answer
   x = 10,749.58