Finding the Fourth Proportional to 82,085.32, 123,128 and 19,755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,085.32 : 123,128 = 19,755.82 : x
2. Step 2: Convert to fraction form
   82,085.32/123,128 = 19,755.82/x
3. Step 3: Cross multiply
   82,085.32x = 123,128 × 19,755.82
4. Step 4: Simplify right side
   82,085.32x = 2,432,494,604.96
5. Step 5: Solve for x
   x = 2,432,494,604.96/82,085.32
6. Step 6: Final answer
   x = 29,633.73