Finding the Fourth Proportional to 108,097.73, 149,131.96 and 72,230.93

Step by Step Solution

1. Step 1: Write the proportion equation
   108,097.73 : 149,131.96 = 72,230.93 : x
2. Step 2: Convert to fraction form
   108,097.73/149,131.96 = 72,230.93/x
3. Step 3: Cross multiply
   108,097.73x = 149,131.96 × 72,230.93
4. Step 4: Simplify right side
   108,097.73x = 10,771,940,163.52
5. Step 5: Solve for x
   x = 10,771,940,163.52/108,097.73
6. Step 6: Final answer
   x = 99,650.01