Finding the Fourth Proportional to 63,022.92, 86,986.42 and 39,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   63,022.92 : 86,986.42 = 39,167.56 : x
2. Step 2: Convert to fraction form
   63,022.92/86,986.42 = 39,167.56/x
3. Step 3: Cross multiply
   63,022.92x = 86,986.42 × 39,167.56
4. Step 4: Simplify right side
   63,022.92x = 3,407,045,824.54
5. Step 5: Solve for x
   x = 3,407,045,824.54/63,022.92
6. Step 6: Final answer
   x = 54,060.42