Finding the Fourth Proportional to 144,976.18, 200,056.52 and 80,448.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,976.18 : 200,056.52 = 80,448.34 : x
2. Step 2: Convert to fraction form
   144,976.18/200,056.52 = 80,448.34/x
3. Step 3: Cross multiply
   144,976.18x = 200,056.52 × 80,448.34
4. Step 4: Simplify right side
   144,976.18x = 16,094,214,940.18
5. Step 5: Solve for x
   x = 16,094,214,940.18/144,976.18
6. Step 6: Final answer
   x = 111,012.82