Finding the Fourth Proportional to 82,099.43, 123,110.87 and 42,645.95

Step by Step Solution

1. Step 1: Write the proportion equation
   82,099.43 : 123,110.87 = 42,645.95 : x
2. Step 2: Convert to fraction form
   82,099.43/123,110.87 = 42,645.95/x
3. Step 3: Cross multiply
   82,099.43x = 123,110.87 × 42,645.95
4. Step 4: Simplify right side
   82,099.43x = 5,250,179,177.69
5. Step 5: Solve for x
   x = 5,250,179,177.69/82,099.43
6. Step 6: Final answer
   x = 63,949.04