Finding the Fourth Proportional to 82,099.24, 123,110.60 and 42,645.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,099.24 : 123,110.60 = 42,645.76 : x
2. Step 2: Convert to fraction form
   82,099.24/123,110.60 = 42,645.76/x
3. Step 3: Cross multiply
   82,099.24x = 123,110.60 × 42,645.76
4. Step 4: Simplify right side
   82,099.24x = 5,250,144,580.05
5. Step 5: Solve for x
   x = 5,250,144,580.05/82,099.24
6. Step 6: Final answer
   x = 63,948.76