Finding the Fourth Proportional to 72,410.64, 99,821.97 and 50,834.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,410.64 : 99,821.97 = 50,834.69 : x
2. Step 2: Convert to fraction form
   72,410.64/99,821.97 = 50,834.69/x
3. Step 3: Cross multiply
   72,410.64x = 99,821.97 × 50,834.69
4. Step 4: Simplify right side
   72,410.64x = 5,074,418,401.03
5. Step 5: Solve for x
   x = 5,074,418,401.03/72,410.64
6. Step 6: Final answer
   x = 70,078.35