Finding the Fourth Proportional to 82,123.91, 123,185.77 and 19,794.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82,123.91 : 123,185.77 = 19,794.41 : x
2. Step 2: Convert to fraction form
   82,123.91/123,185.77 = 19,794.41/x
3. Step 3: Cross multiply
   82,123.91x = 123,185.77 × 19,794.41
4. Step 4: Simplify right side
   82,123.91x = 2,438,389,637.55
5. Step 5: Solve for x
   x = 2,438,389,637.55/82,123.91
6. Step 6: Final answer
   x = 29,691.59