Finding the Fourth Proportional to 147,905.31, 204,109.34 and 80,837.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,905.31 : 204,109.34 = 80,837.31 : x
2. Step 2: Convert to fraction form
   147,905.31/204,109.34 = 80,837.31/x
3. Step 3: Cross multiply
   147,905.31x = 204,109.34 × 80,837.31
4. Step 4: Simplify right side
   147,905.31x = 16,499,649,587.29
5. Step 5: Solve for x
   x = 16,499,649,587.29/147,905.31
6. Step 6: Final answer
   x = 111,555.49