Finding the Fourth Proportional to 9,360.12, 12,916.92 and 5,168.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,360.12 : 12,916.92 = 5,168.34 : x
2. Step 2: Convert to fraction form
   9,360.12/12,916.92 = 5,168.34/x
3. Step 3: Cross multiply
   9,360.12x = 12,916.92 × 5,168.34
4. Step 4: Simplify right side
   9,360.12x = 66,759,034.31
5. Step 5: Solve for x
   x = 66,759,034.31/9,360.12
6. Step 6: Final answer
   x = 7,132.28