Finding the Fourth Proportional to 12,464.34, 17,200.32 and 7,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.34 : 17,200.32 = 7,086.30 : x
2. Step 2: Convert to fraction form
   12,464.34/17,200.32 = 7,086.30/x
3. Step 3: Cross multiply
   12,464.34x = 17,200.32 × 7,086.30
4. Step 4: Simplify right side
   12,464.34x = 121,886,627.62
5. Step 5: Solve for x
   x = 121,886,627.62/12,464.34
6. Step 6: Final answer
   x = 9,778.83