Finding the Fourth Proportional to 82,206.18, 123,236.37 and 40,062.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,206.18 : 123,236.37 = 40,062.69 : x
2. Step 2: Convert to fraction form
   82,206.18/123,236.37 = 40,062.69/x
3. Step 3: Cross multiply
   82,206.18x = 123,236.37 × 40,062.69
4. Step 4: Simplify right side
   82,206.18x = 4,937,180,488.04
5. Step 5: Solve for x
   x = 4,937,180,488.04/82,206.18
6. Step 6: Final answer
   x = 60,058.51