Finding the Fourth Proportional to 9,170.82, 12,650.52 and 5,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,170.82 : 12,650.52 = 5,631.54 : x
2. Step 2: Convert to fraction form
   9,170.82/12,650.52 = 5,631.54/x
3. Step 3: Cross multiply
   9,170.82x = 12,650.52 × 5,631.54
4. Step 4: Simplify right side
   9,170.82x = 71,241,909.40
5. Step 5: Solve for x
   x = 71,241,909.40/9,170.82
6. Step 6: Final answer
   x = 7,768.32