Finding the Fourth Proportional to 82,085.28, 123,038.82 and 42,049.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82,085.28 : 123,038.82 = 42,049.41 : x
2. Step 2: Convert to fraction form
   82,085.28/123,038.82 = 42,049.41/x
3. Step 3: Cross multiply
   82,085.28x = 123,038.82 × 42,049.41
4. Step 4: Simplify right side
   82,085.28x = 5,173,709,788.10
5. Step 5: Solve for x
   x = 5,173,709,788.10/82,085.28
6. Step 6: Final answer
   x = 63,028.47