Finding the Fourth Proportional to 82,131.20, 123,177.36 and 37,730.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,131.20 : 123,177.36 = 37,730.24 : x
2. Step 2: Convert to fraction form
   82,131.20/123,177.36 = 37,730.24/x
3. Step 3: Cross multiply
   82,131.20x = 123,177.36 × 37,730.24
4. Step 4: Simplify right side
   82,131.20x = 4,647,511,355.37
5. Step 5: Solve for x
   x = 4,647,511,355.37/82,131.20
6. Step 6: Final answer
   x = 56,586.43