Finding the Fourth Proportional to 29,300.78, 43,944.21 and 12,651.71

Step by Step Solution

1. Step 1: Write the proportion equation
   29,300.78 : 43,944.21 = 12,651.71 : x
2. Step 2: Convert to fraction form
   29,300.78/43,944.21 = 12,651.71/x
3. Step 3: Cross multiply
   29,300.78x = 43,944.21 × 12,651.71
4. Step 4: Simplify right side
   29,300.78x = 555,969,401.10
5. Step 5: Solve for x
   x = 555,969,401.10/29,300.78
6. Step 6: Final answer
   x = 18,974.56