Finding the Fourth Proportional to 95,978.53, 143,906.14 and 39,857.37

Step by Step Solution

1. Step 1: Write the proportion equation
   95,978.53 : 143,906.14 = 39,857.37 : x
2. Step 2: Convert to fraction form
   95,978.53/143,906.14 = 39,857.37/x
3. Step 3: Cross multiply
   95,978.53x = 143,906.14 × 39,857.37
4. Step 4: Simplify right side
   95,978.53x = 5,735,720,267.25
5. Step 5: Solve for x
   x = 5,735,720,267.25/95,978.53
6. Step 6: Final answer
   x = 59,760.45