Finding the Fourth Proportional to 23,144.77, 31,940.41 and 13,074.70

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.77 : 31,940.41 = 13,074.70 : x
2. Step 2: Convert to fraction form
   23,144.77/31,940.41 = 13,074.70/x
3. Step 3: Cross multiply
   23,144.77x = 31,940.41 × 13,074.70
4. Step 4: Simplify right side
   23,144.77x = 417,611,278.63
5. Step 5: Solve for x
   x = 417,611,278.63/23,144.77
6. Step 6: Final answer
   x = 18,043.44