Finding the Fourth Proportional to 82,201.56, 123,203.85 and 42,179.46

Step by Step Solution

1. Step 1: Write the proportion equation
   82,201.56 : 123,203.85 = 42,179.46 : x
2. Step 2: Convert to fraction form
   82,201.56/123,203.85 = 42,179.46/x
3. Step 3: Cross multiply
   82,201.56x = 123,203.85 × 42,179.46
4. Step 4: Simplify right side
   82,201.56x = 5,196,671,862.92
5. Step 5: Solve for x
   x = 5,196,671,862.92/82,201.56
6. Step 6: Final answer
   x = 63,218.65