Finding the Fourth Proportional to 95,910.89, 143,815.60 and 42,579.68

Step by Step Solution

1. Step 1: Write the proportion equation
   95,910.89 : 143,815.60 = 42,579.68 : x
2. Step 2: Convert to fraction form
   95,910.89/143,815.60 = 42,579.68/x
3. Step 3: Cross multiply
   95,910.89x = 143,815.60 × 42,579.68
4. Step 4: Simplify right side
   95,910.89x = 6,123,621,561.15
5. Step 5: Solve for x
   x = 6,123,621,561.15/95,910.89
6. Step 6: Final answer
   x = 63,846.99