Finding the Fourth Proportional to 9,168.04, 12,651.72 and 5,189.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.04 : 12,651.72 = 5,189.08 : x
2. Step 2: Convert to fraction form
   9,168.04/12,651.72 = 5,189.08/x
3. Step 3: Cross multiply
   9,168.04x = 12,651.72 × 5,189.08
4. Step 4: Simplify right side
   9,168.04x = 65,650,787.22
5. Step 5: Solve for x
   x = 65,650,787.22/9,168.04
6. Step 6: Final answer
   x = 7,160.83