Finding the Fourth Proportional to 12,653.46, 17,462.76 and 9,311.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,653.46 : 17,462.76 = 9,311.62 : x
2. Step 2: Convert to fraction form
   12,653.46/17,462.76 = 9,311.62/x
3. Step 3: Cross multiply
   12,653.46x = 17,462.76 × 9,311.62
4. Step 4: Simplify right side
   12,653.46x = 162,606,585.27
5. Step 5: Solve for x
   x = 162,606,585.27/12,653.46
6. Step 6: Final answer
   x = 12,850.76