Finding the Fourth Proportional to 144,091.84, 198,826.32 and 83,668

Step by Step Solution

1. Step 1: Write the proportion equation
   144,091.84 : 198,826.32 = 83,668 : x
2. Step 2: Convert to fraction form
   144,091.84/198,826.32 = 83,668/x
3. Step 3: Cross multiply
   144,091.84x = 198,826.32 × 83,668
4. Step 4: Simplify right side
   144,091.84x = 16,635,400,541.76
5. Step 5: Solve for x
   x = 16,635,400,541.76/144,091.84
6. Step 6: Final answer
   x = 115,449.98