Finding the Fourth Proportional to 104,522.37, 144,161.39 and 72,310.59

Step by Step Solution

1. Step 1: Write the proportion equation
   104,522.37 : 144,161.39 = 72,310.59 : x
2. Step 2: Convert to fraction form
   104,522.37/144,161.39 = 72,310.59/x
3. Step 3: Cross multiply
   104,522.37x = 144,161.39 × 72,310.59
4. Step 4: Simplify right side
   104,522.37x = 10,424,394,940.15
5. Step 5: Solve for x
   x = 10,424,394,940.15/104,522.37
6. Step 6: Final answer
   x = 99,733.63