Finding the Fourth Proportional to 47,768.29, 71,649.83 and 19,687.82

Step by Step Solution

1. Step 1: Write the proportion equation
   47,768.29 : 71,649.83 = 19,687.82 : x
2. Step 2: Convert to fraction form
   47,768.29/71,649.83 = 19,687.82/x
3. Step 3: Cross multiply
   47,768.29x = 71,649.83 × 19,687.82
4. Step 4: Simplify right side
   47,768.29x = 1,410,628,647.04
5. Step 5: Solve for x
   x = 1,410,628,647.04/47,768.29
6. Step 6: Final answer
   x = 29,530.65