Finding the Fourth Proportional to 108,096.73, 149,130.59 and 72,229.93

Step by Step Solution

1. Step 1: Write the proportion equation
   108,096.73 : 149,130.59 = 72,229.93 : x
2. Step 2: Convert to fraction form
   108,096.73/149,130.59 = 72,229.93/x
3. Step 3: Cross multiply
   108,096.73x = 149,130.59 × 72,229.93
4. Step 4: Simplify right side
   108,096.73x = 10,771,691,342.58
5. Step 5: Solve for x
   x = 10,771,691,342.58/108,096.73
6. Step 6: Final answer
   x = 99,648.63