Finding the Fourth Proportional to 84,805.18, 117,019.56 and 50,806.06

Step by Step Solution

1. Step 1: Write the proportion equation
   84,805.18 : 117,019.56 = 50,806.06 : x
2. Step 2: Convert to fraction form
   84,805.18/117,019.56 = 50,806.06/x
3. Step 3: Cross multiply
   84,805.18x = 117,019.56 × 50,806.06
4. Step 4: Simplify right side
   84,805.18x = 5,945,302,786.53
5. Step 5: Solve for x
   x = 5,945,302,786.53/84,805.18
6. Step 6: Final answer
   x = 70,105.42