Finding the Fourth Proportional to 82,067.32, 113,280.60 and 51,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,067.32 : 113,280.60 = 51,046.72 : x
2. Step 2: Convert to fraction form
   82,067.32/113,280.60 = 51,046.72/x
3. Step 3: Cross multiply
   82,067.32x = 113,280.60 × 51,046.72
4. Step 4: Simplify right side
   82,067.32x = 5,782,603,069.63
5. Step 5: Solve for x
   x = 5,782,603,069.63/82,067.32
6. Step 6: Final answer
   x = 70,461.70