Finding the Fourth Proportional to 144,817.27, 199,525.71 and 108,354.49

Step by Step Solution

1. Step 1: Write the proportion equation
   144,817.27 : 199,525.71 = 108,354.49 : x
2. Step 2: Convert to fraction form
   144,817.27/199,525.71 = 108,354.49/x
3. Step 3: Cross multiply
   144,817.27x = 199,525.71 × 108,354.49
4. Step 4: Simplify right side
   144,817.27x = 21,619,506,548.94
5. Step 5: Solve for x
   x = 21,619,506,548.94/144,817.27
6. Step 6: Final answer
   x = 149,288.18