Finding the Fourth Proportional to 9,168.95, 12,652.79 and 5,189.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.95 : 12,652.79 = 5,189.82 : x
2. Step 2: Convert to fraction form
   9,168.95/12,652.79 = 5,189.82/x
3. Step 3: Cross multiply
   9,168.95x = 12,652.79 × 5,189.82
4. Step 4: Simplify right side
   9,168.95x = 65,665,676.65
5. Step 5: Solve for x
   x = 65,665,676.65/9,168.95
6. Step 6: Final answer
   x = 7,161.75