Finding the Fourth Proportional to 23,154.84, 31,953.61 and 12,544.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,154.84 : 31,953.61 = 12,544.65 : x
2. Step 2: Convert to fraction form
   23,154.84/31,953.61 = 12,544.65/x
3. Step 3: Cross multiply
   23,154.84x = 31,953.61 × 12,544.65
4. Step 4: Simplify right side
   23,154.84x = 400,846,853.69
5. Step 5: Solve for x
   x = 400,846,853.69/23,154.84
6. Step 6: Final answer
   x = 17,311.58