Finding the Fourth Proportional to 82,113.59, 123,170.49 and 19,784.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,113.59 : 123,170.49 = 19,784.09 : x
2. Step 2: Convert to fraction form
   82,113.59/123,170.49 = 19,784.09/x
3. Step 3: Cross multiply
   82,113.59x = 123,170.49 × 19,784.09
4. Step 4: Simplify right side
   82,113.59x = 2,436,815,443.65
5. Step 5: Solve for x
   x = 2,436,815,443.65/82,113.59
6. Step 6: Final answer
   x = 29,676.15