Finding the Fourth Proportional to 144,234.10, 199,044.71 and 79,703.09

Step by Step Solution

1. Step 1: Write the proportion equation
   144,234.10 : 199,044.71 = 79,703.09 : x
2. Step 2: Convert to fraction form
   144,234.10/199,044.71 = 79,703.09/x
3. Step 3: Cross multiply
   144,234.10x = 199,044.71 × 79,703.09
4. Step 4: Simplify right side
   144,234.10x = 15,864,478,086.72
5. Step 5: Solve for x
   x = 15,864,478,086.72/144,234.10
6. Step 6: Final answer
   x = 109,991.17