Finding the Fourth Proportional to 152,069.20, 209,847 and 84,082.24

Step by Step Solution

1. Step 1: Write the proportion equation
   152,069.20 : 209,847 = 84,082.24 : x
2. Step 2: Convert to fraction form
   152,069.20/209,847 = 84,082.24/x
3. Step 3: Cross multiply
   152,069.20x = 209,847 × 84,082.24
4. Step 4: Simplify right side
   152,069.20x = 17,644,405,817.28
5. Step 5: Solve for x
   x = 17,644,405,817.28/152,069.20
6. Step 6: Final answer
   x = 116,028.79