Finding the Fourth Proportional to 82,468.63, 123,739.83 and 47,408.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,468.63 : 123,739.83 = 47,408.29 : x
2. Step 2: Convert to fraction form
   82,468.63/123,739.83 = 47,408.29/x
3. Step 3: Cross multiply
   82,468.63x = 123,739.83 × 47,408.29
4. Step 4: Simplify right side
   82,468.63x = 5,866,293,745.19
5. Step 5: Solve for x
   x = 5,866,293,745.19/82,468.63
6. Step 6: Final answer
   x = 71,133.64