Finding the Fourth Proportional to 82,123.20, 123,184.55 and 19,793.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,123.20 : 123,184.55 = 19,793.70 : x
2. Step 2: Convert to fraction form
   82,123.20/123,184.55 = 19,793.70/x
3. Step 3: Cross multiply
   82,123.20x = 123,184.55 × 19,793.70
4. Step 4: Simplify right side
   82,123.20x = 2,438,278,076.82
5. Step 5: Solve for x
   x = 2,438,278,076.82/82,123.20
6. Step 6: Final answer
   x = 29,690.49