Finding the Fourth Proportional to 9,168.59, 12,652.67 and 5,189.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.59 : 12,652.67 = 5,189.67 : x
2. Step 2: Convert to fraction form
   9,168.59/12,652.67 = 5,189.67/x
3. Step 3: Cross multiply
   9,168.59x = 12,652.67 × 5,189.67
4. Step 4: Simplify right side
   9,168.59x = 65,663,194.89
5. Step 5: Solve for x
   x = 65,663,194.89/9,168.59
6. Step 6: Final answer
   x = 7,161.75