Finding the Fourth Proportional to 12,329.42, 18,510.03 and 10,585.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.42 : 18,510.03 = 10,585.62 : x
2. Step 2: Convert to fraction form
   12,329.42/18,510.03 = 10,585.62/x
3. Step 3: Cross multiply
   12,329.42x = 18,510.03 × 10,585.62
4. Step 4: Simplify right side
   12,329.42x = 195,940,143.77
5. Step 5: Solve for x
   x = 195,940,143.77/12,329.42
6. Step 6: Final answer
   x = 15,892.09