Finding the Fourth Proportional to 144,519.36, 216,498.48 and 106,499.61

Step by Step Solution

1. Step 1: Write the proportion equation
   144,519.36 : 216,498.48 = 106,499.61 : x
2. Step 2: Convert to fraction form
   144,519.36/216,498.48 = 106,499.61/x
3. Step 3: Cross multiply
   144,519.36x = 216,498.48 × 106,499.61
4. Step 4: Simplify right side
   144,519.36x = 23,057,003,685.59
5. Step 5: Solve for x
   x = 23,057,003,685.59/144,519.36
6. Step 6: Final answer
   x = 159,542.66