Finding the Fourth Proportional to 144,109.04, 198,869.72 and 83,694.56

Step by Step Solution

1. Step 1: Write the proportion equation
   144,109.04 : 198,869.72 = 83,694.56 : x
2. Step 2: Convert to fraction form
   144,109.04/198,869.72 = 83,694.56/x
3. Step 3: Cross multiply
   144,109.04x = 198,869.72 × 83,694.56
4. Step 4: Simplify right side
   144,109.04x = 16,644,313,712.72
5. Step 5: Solve for x
   x = 16,644,313,712.72/144,109.04
6. Step 6: Final answer
   x = 115,498.05