Finding the Fourth Proportional to 95,685.50, 143,562.81 and 30,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,685.50 : 143,562.81 = 30,021.50 : x
2. Step 2: Convert to fraction form
   95,685.50/143,562.81 = 30,021.50/x
3. Step 3: Cross multiply
   95,685.50x = 143,562.81 × 30,021.50
4. Step 4: Simplify right side
   95,685.50x = 4,309,970,900.42
5. Step 5: Solve for x
   x = 4,309,970,900.42/95,685.50
6. Step 6: Final answer
   x = 45,043.09