Finding the Fourth Proportional to 147,906.31, 204,110.72 and 80,838.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,906.31 : 204,110.72 = 80,838.31 : x
2. Step 2: Convert to fraction form
   147,906.31/204,110.72 = 80,838.31/x
3. Step 3: Cross multiply
   147,906.31x = 204,110.72 × 80,838.31
4. Step 4: Simplify right side
   147,906.31x = 16,499,965,657.68
5. Step 5: Solve for x
   x = 16,499,965,657.68/147,906.31
6. Step 6: Final answer
   x = 111,556.87