Finding the Fourth Proportional to 23,153.62, 31,946.71 and 13,081.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,153.62 : 31,946.71 = 13,081.54 : x
2. Step 2: Convert to fraction form
   23,153.62/31,946.71 = 13,081.54/x
3. Step 3: Cross multiply
   23,153.62x = 31,946.71 × 13,081.54
4. Step 4: Simplify right side
   23,153.62x = 417,912,164.73
5. Step 5: Solve for x
   x = 417,912,164.73/23,153.62
6. Step 6: Final answer
   x = 18,049.54