Finding the Fourth Proportional to 84,879.69, 117,082.07 and 50,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   84,879.69 : 117,082.07 = 50,401.05 : x
2. Step 2: Convert to fraction form
   84,879.69/117,082.07 = 50,401.05/x
3. Step 3: Cross multiply
   84,879.69x = 117,082.07 × 50,401.05
4. Step 4: Simplify right side
   84,879.69x = 5,901,058,426.76
5. Step 5: Solve for x
   x = 5,901,058,426.76/84,879.69
6. Step 6: Final answer
   x = 69,522.62