Finding the Fourth Proportional to 162,185.72, 243,365.81 and 67,481.25

Step by Step Solution

1. Step 1: Write the proportion equation
   162,185.72 : 243,365.81 = 67,481.25 : x
2. Step 2: Convert to fraction form
   162,185.72/243,365.81 = 67,481.25/x
3. Step 3: Cross multiply
   162,185.72x = 243,365.81 × 67,481.25
4. Step 4: Simplify right side
   162,185.72x = 16,422,628,728.66
5. Step 5: Solve for x
   x = 16,422,628,728.66/162,185.72
6. Step 6: Final answer
   x = 101,258.17