Finding the Fourth Proportional to 9,168.27, 12,652.26 and 5,190.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.27 : 12,652.26 = 5,190.15 : x
2. Step 2: Convert to fraction form
   9,168.27/12,652.26 = 5,190.15/x
3. Step 3: Cross multiply
   9,168.27x = 12,652.26 × 5,190.15
4. Step 4: Simplify right side
   9,168.27x = 65,667,155.22
5. Step 5: Solve for x
   x = 65,667,155.22/9,168.27
6. Step 6: Final answer
   x = 7,162.44