Finding the Fourth Proportional to 82,085.35, 123,128.04 and 19,755.85

Step by Step Solution

1. Step 1: Write the proportion equation
   82,085.35 : 123,128.04 = 19,755.85 : x
2. Step 2: Convert to fraction form
   82,085.35/123,128.04 = 19,755.85/x
3. Step 3: Cross multiply
   82,085.35x = 123,128.04 × 19,755.85
4. Step 4: Simplify right side
   82,085.35x = 2,432,498,855.30
5. Step 5: Solve for x
   x = 2,432,498,855.30/82,085.35
6. Step 6: Final answer
   x = 29,633.78