Finding the Fourth Proportional to 19,977.05, 29,945.59 and 10,086.41

Step by Step Solution

1. Step 1: Write the proportion equation
   19,977.05 : 29,945.59 = 10,086.41 : x
2. Step 2: Convert to fraction form
   19,977.05/29,945.59 = 10,086.41/x
3. Step 3: Cross multiply
   19,977.05x = 29,945.59 × 10,086.41
4. Step 4: Simplify right side
   19,977.05x = 302,043,498.43
5. Step 5: Solve for x
   x = 302,043,498.43/19,977.05
6. Step 6: Final answer
   x = 15,119.52