Finding the Fourth Proportional to 95,356.89, 143,081.78 and 39,213.87

Step by Step Solution

1. Step 1: Write the proportion equation
   95,356.89 : 143,081.78 = 39,213.87 : x
2. Step 2: Convert to fraction form
   95,356.89/143,081.78 = 39,213.87/x
3. Step 3: Cross multiply
   95,356.89x = 143,081.78 × 39,213.87
4. Step 4: Simplify right side
   95,356.89x = 5,610,790,320.29
5. Step 5: Solve for x
   x = 5,610,790,320.29/95,356.89
6. Step 6: Final answer
   x = 58,839.90