Finding the Fourth Proportional to 109,410.07, 150,839.66 and 82,069.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.07 : 150,839.66 = 82,069.94 : x
2. Step 2: Convert to fraction form
   109,410.07/150,839.66 = 82,069.94/x
3. Step 3: Cross multiply
   109,410.07x = 150,839.66 × 82,069.94
4. Step 4: Simplify right side
   109,410.07x = 12,379,401,296.80
5. Step 5: Solve for x
   x = 12,379,401,296.80/109,410.07
6. Step 6: Final answer
   x = 113,146.82