Finding the Fourth Proportional to 82,561.68, 123,798.78 and 32,639.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,561.68 : 123,798.78 = 32,639.76 : x
2. Step 2: Convert to fraction form
   82,561.68/123,798.78 = 32,639.76/x
3. Step 3: Cross multiply
   82,561.68x = 123,798.78 × 32,639.76
4. Step 4: Simplify right side
   82,561.68x = 4,040,762,467.49
5. Step 5: Solve for x
   x = 4,040,762,467.49/82,561.68
6. Step 6: Final answer
   x = 48,942.35