Finding the Fourth Proportional to 9,147.02, 12,622.16 and 5,168.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.02 : 12,622.16 = 5,168.48 : x
2. Step 2: Convert to fraction form
   9,147.02/12,622.16 = 5,168.48/x
3. Step 3: Cross multiply
   9,147.02x = 12,622.16 × 5,168.48
4. Step 4: Simplify right side
   9,147.02x = 65,237,381.52
5. Step 5: Solve for x
   x = 65,237,381.52/9,147.02
6. Step 6: Final answer
   x = 7,132.09