Finding the Fourth Proportional to 9,176.12, 12,662.18 and 5,196.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,176.12 : 12,662.18 = 5,196.46 : x
2. Step 2: Convert to fraction form
   9,176.12/12,662.18 = 5,196.46/x
3. Step 3: Cross multiply
   9,176.12x = 12,662.18 × 5,196.46
4. Step 4: Simplify right side
   9,176.12x = 65,798,511.88
5. Step 5: Solve for x
   x = 65,798,511.88/9,176.12
6. Step 6: Final answer
   x = 7,170.62