Finding the Fourth Proportional to 1,028,061.72, 1,419,473.63 and 825,228.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,061.72 : 1,419,473.63 = 825,228.41 : x
2. Step 2: Convert to fraction form
   1,028,061.72/1,419,473.63 = 825,228.41/x
3. Step 3: Cross multiply
   1,028,061.72x = 1,419,473.63 × 825,228.41
4. Step 4: Simplify right side
   1,028,061.72x = 1,171,389,961,687.53
5. Step 5: Solve for x
   x = 1,171,389,961,687.53/1,028,061.72
6. Step 6: Final answer
   x = 1,139,415.99