Finding the Fourth Proportional to 147,828.56, 204,003.60 and 80,760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   147,828.56 : 204,003.60 = 80,760.56 : x
2. Step 2: Convert to fraction form
   147,828.56/204,003.60 = 80,760.56/x
3. Step 3: Cross multiply
   147,828.56x = 204,003.60 × 80,760.56
4. Step 4: Simplify right side
   147,828.56x = 16,475,444,978.02
5. Step 5: Solve for x
   x = 16,475,444,978.02/147,828.56
6. Step 6: Final answer
   x = 111,449.68