Finding the Fourth Proportional to 95,243.31, 142,930.58 and 42,711.57

Step by Step Solution

1. Step 1: Write the proportion equation
   95,243.31 : 142,930.58 = 42,711.57 : x
2. Step 2: Convert to fraction form
   95,243.31/142,930.58 = 42,711.57/x
3. Step 3: Cross multiply
   95,243.31x = 142,930.58 × 42,711.57
4. Step 4: Simplify right side
   95,243.31x = 6,104,789,259.25
5. Step 5: Solve for x
   x = 6,104,789,259.25/95,243.31
6. Step 6: Final answer
   x = 64,096.78