Finding the Fourth Proportional to 82,100.24, 123,112.09 and 42,646.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,100.24 : 123,112.09 = 42,646.76 : x
2. Step 2: Convert to fraction form
   82,100.24/123,112.09 = 42,646.76/x
3. Step 3: Cross multiply
   82,100.24x = 123,112.09 × 42,646.76
4. Step 4: Simplify right side
   82,100.24x = 5,250,331,755.33
5. Step 5: Solve for x
   x = 5,250,331,755.33/82,100.24
6. Step 6: Final answer
   x = 63,950.26