Finding the Fourth Proportional to 9,168.52, 12,652.56 and 5,189.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.52 : 12,652.56 = 5,189.56 : x
2. Step 2: Convert to fraction form
   9,168.52/12,652.56 = 5,189.56/x
3. Step 3: Cross multiply
   9,168.52x = 12,652.56 × 5,189.56
4. Step 4: Simplify right side
   9,168.52x = 65,661,219.27
5. Step 5: Solve for x
   x = 65,661,219.27/9,168.52
6. Step 6: Final answer
   x = 7,161.59