Finding the Fourth Proportional to 23,051.98, 31,811.42 and 12,981.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,051.98 : 31,811.42 = 12,981.41 : x
2. Step 2: Convert to fraction form
   23,051.98/31,811.42 = 12,981.41/x
3. Step 3: Cross multiply
   23,051.98x = 31,811.42 × 12,981.41
4. Step 4: Simplify right side
   23,051.98x = 412,957,078.39
5. Step 5: Solve for x
   x = 412,957,078.39/23,051.98
6. Step 6: Final answer
   x = 17,914.17