Finding the Fourth Proportional to 82,116.08, 123,135.84 and 42,662.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,116.08 : 123,135.84 = 42,662.60 : x
2. Step 2: Convert to fraction form
   82,116.08/123,135.84 = 42,662.60/x
3. Step 3: Cross multiply
   82,116.08x = 123,135.84 × 42,662.60
4. Step 4: Simplify right side
   82,116.08x = 5,253,295,087.58
5. Step 5: Solve for x
   x = 5,253,295,087.58/82,116.08
6. Step 6: Final answer
   x = 63,974.01