Finding the Fourth Proportional to 23,156.56, 31,949.04 and 13,083.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.56 : 31,949.04 = 13,083.76 : x
2. Step 2: Convert to fraction form
   23,156.56/31,949.04 = 13,083.76/x
3. Step 3: Cross multiply
   23,156.56x = 31,949.04 × 13,083.76
4. Step 4: Simplify right side
   23,156.56x = 418,013,571.59
5. Step 5: Solve for x
   x = 418,013,571.59/23,156.56
6. Step 6: Final answer
   x = 18,051.63