Finding the Fourth Proportional to 2,620,709.49, 3,929,063.10 and 822,552.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,709.49 : 3,929,063.10 = 822,552.62 : x
2. Step 2: Convert to fraction form
   2,620,709.49/3,929,063.10 = 822,552.62/x
3. Step 3: Cross multiply
   2,620,709.49x = 3,929,063.10 × 822,552.62
4. Step 4: Simplify right side
   2,620,709.49x = 3,231,861,151,048.27
5. Step 5: Solve for x
   x = 3,231,861,151,048.27/2,620,709.49
6. Step 6: Final answer
   x = 1,233,200.84