Finding the Fourth Proportional to 82,256.79, 123,384.11 and 19,927.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,256.79 : 123,384.11 = 19,927.83 : x
2. Step 2: Convert to fraction form
   82,256.79/123,384.11 = 19,927.83/x
3. Step 3: Cross multiply
   82,256.79x = 123,384.11 × 19,927.83
4. Step 4: Simplify right side
   82,256.79x = 2,458,777,469.14
5. Step 5: Solve for x
   x = 2,458,777,469.14/82,256.79
6. Step 6: Final answer
   x = 29,891.48