Finding the Fourth Proportional to 9,189, 12,680.82 and 5,462.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,189 : 12,680.82 = 5,462.28 : x
2. Step 2: Convert to fraction form
   9,189/12,680.82 = 5,462.28/x
3. Step 3: Cross multiply
   9,189x = 12,680.82 × 5,462.28
4. Step 4: Simplify right side
   9,189x = 69,266,189.47
5. Step 5: Solve for x
   x = 69,266,189.47/9,189
6. Step 6: Final answer
   x = 7,537.95