Finding the Fourth Proportional to 149,078.82, 205,729.47 and 81,096.42

Step by Step Solution

1. Step 1: Write the proportion equation
   149,078.82 : 205,729.47 = 81,096.42 : x
2. Step 2: Convert to fraction form
   149,078.82/205,729.47 = 81,096.42/x
3. Step 3: Cross multiply
   149,078.82x = 205,729.47 × 81,096.42
4. Step 4: Simplify right side
   149,078.82x = 16,683,923,505.50
5. Step 5: Solve for x
   x = 16,683,923,505.50/149,078.82
6. Step 6: Final answer
   x = 111,913.44