Finding the Fourth Proportional to 42,082.82, 63,208.29 and 26,315.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,082.82 : 63,208.29 = 26,315.90 : x
2. Step 2: Convert to fraction form
   42,082.82/63,208.29 = 26,315.90/x
3. Step 3: Cross multiply
   42,082.82x = 63,208.29 × 26,315.90
4. Step 4: Simplify right side
   42,082.82x = 1,663,383,038.81
5. Step 5: Solve for x
   x = 1,663,383,038.81/42,082.82
6. Step 6: Final answer
   x = 39,526.42