Finding the Fourth Proportional to 95,357.28, 143,016.32 and 39,142.56

Step by Step Solution

1. Step 1: Write the proportion equation
   95,357.28 : 143,016.32 = 39,142.56 : x
2. Step 2: Convert to fraction form
   95,357.28/143,016.32 = 39,142.56/x
3. Step 3: Cross multiply
   95,357.28x = 143,016.32 × 39,142.56
4. Step 4: Simplify right side
   95,357.28x = 5,598,024,886.58
5. Step 5: Solve for x
   x = 5,598,024,886.58/95,357.28
6. Step 6: Final answer
   x = 58,705.79