Finding the Fourth Proportional to 144,072.01, 198,822.56 and 79,541.05

Step by Step Solution

1. Step 1: Write the proportion equation
   144,072.01 : 198,822.56 = 79,541.05 : x
2. Step 2: Convert to fraction form
   144,072.01/198,822.56 = 79,541.05/x
3. Step 3: Cross multiply
   144,072.01x = 198,822.56 × 79,541.05
4. Step 4: Simplify right side
   144,072.01x = 15,814,555,186.09
5. Step 5: Solve for x
   x = 15,814,555,186.09/144,072.01
6. Step 6: Final answer
   x = 109,768.41