Finding the Fourth Proportional to 143,912.82, 215,849.78 and 38,738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,912.82 : 215,849.78 = 38,738.10 : x
2. Step 2: Convert to fraction form
   143,912.82/215,849.78 = 38,738.10/x
3. Step 3: Cross multiply
   143,912.82x = 215,849.78 × 38,738.10
4. Step 4: Simplify right side
   143,912.82x = 8,361,610,362.62
5. Step 5: Solve for x
   x = 8,361,610,362.62/143,912.82
6. Step 6: Final answer
   x = 58,101.91