Finding the Fourth Proportional to 104,771.82, 144,650.46 and 72,929.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,771.82 : 144,650.46 = 72,929.10 : x
2. Step 2: Convert to fraction form
   104,771.82/144,650.46 = 72,929.10/x
3. Step 3: Cross multiply
   104,771.82x = 144,650.46 × 72,929.10
4. Step 4: Simplify right side
   104,771.82x = 10,549,227,862.39
5. Step 5: Solve for x
   x = 10,549,227,862.39/104,771.82
6. Step 6: Final answer
   x = 100,687.65