Finding the Fourth Proportional to 9,362.18, 12,919.46 and 5,170.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.18 : 12,919.46 = 5,170.34 : x
2. Step 2: Convert to fraction form
   9,362.18/12,919.46 = 5,170.34/x
3. Step 3: Cross multiply
   9,362.18x = 12,919.46 × 5,170.34
4. Step 4: Simplify right side
   9,362.18x = 66,798,000.82
5. Step 5: Solve for x
   x = 66,798,000.82/9,362.18
6. Step 6: Final answer
   x = 7,134.88