Finding the Fourth Proportional to 144,054.16, 198,804.72 and 80,404.36

Step by Step Solution

1. Step 1: Write the proportion equation
   144,054.16 : 198,804.72 = 80,404.36 : x
2. Step 2: Convert to fraction form
   144,054.16/198,804.72 = 80,404.36/x
3. Step 3: Cross multiply
   144,054.16x = 198,804.72 × 80,404.36
4. Step 4: Simplify right side
   144,054.16x = 15,984,766,276.58
5. Step 5: Solve for x
   x = 15,984,766,276.58/144,054.16
6. Step 6: Final answer
   x = 110,963.59