Finding the Fourth Proportional to 144,574.34, 199,513.33 and 80,908.13

Step by Step Solution

1. Step 1: Write the proportion equation
   144,574.34 : 199,513.33 = 80,908.13 : x
2. Step 2: Convert to fraction form
   144,574.34/199,513.33 = 80,908.13/x
3. Step 3: Cross multiply
   144,574.34x = 199,513.33 × 80,908.13
4. Step 4: Simplify right side
   144,574.34x = 16,142,250,736.89
5. Step 5: Solve for x
   x = 16,142,250,736.89/144,574.34
6. Step 6: Final answer
   x = 111,653.64