Finding the Fourth Proportional to 167,144.79, 250,717.73 and 42,485.79

Step by Step Solution

1. Step 1: Write the proportion equation
   167,144.79 : 250,717.73 = 42,485.79 : x
2. Step 2: Convert to fraction form
   167,144.79/250,717.73 = 42,485.79/x
3. Step 3: Cross multiply
   167,144.79x = 250,717.73 × 42,485.79
4. Step 4: Simplify right side
   167,144.79x = 10,651,940,826.06
5. Step 5: Solve for x
   x = 10,651,940,826.06/167,144.79
6. Step 6: Final answer
   x = 63,728.82