Finding the Fourth Proportional to 2,825,372.69, 4,238,059.01 and 830,828.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825,372.69 : 4,238,059.01 = 830,828.69 : x
2. Step 2: Convert to fraction form
   2,825,372.69/4,238,059.01 = 830,828.69/x
3. Step 3: Cross multiply
   2,825,372.69x = 4,238,059.01 × 830,828.69
4. Step 4: Simplify right side
   2,825,372.69x = 3,521,100,990,076.56
5. Step 5: Solve for x
   x = 3,521,100,990,076.56/2,825,372.69
6. Step 6: Final answer
   x = 1,246,243.02