Finding the Fourth Proportional to 149,086.82, 205,740.72 and 81,104.42

Step by Step Solution

1. Step 1: Write the proportion equation
   149,086.82 : 205,740.72 = 81,104.42 : x
2. Step 2: Convert to fraction form
   149,086.82/205,740.72 = 81,104.42/x
3. Step 3: Cross multiply
   149,086.82x = 205,740.72 × 81,104.42
4. Step 4: Simplify right side
   149,086.82x = 16,686,481,765.98
5. Step 5: Solve for x
   x = 16,686,481,765.98/149,086.82
6. Step 6: Final answer
   x = 111,924.59