Finding the Fourth Proportional to 1,388,851.05, 2,082,911.94 and 589,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,851.05 : 2,082,911.94 = 589,721.25 : x
2. Step 2: Convert to fraction form
   1,388,851.05/2,082,911.94 = 589,721.25/x
3. Step 3: Cross multiply
   1,388,851.05x = 2,082,911.94 × 589,721.25
4. Step 4: Simplify right side
   1,388,851.05x = 1,228,337,432,896.72
5. Step 5: Solve for x
   x = 1,228,337,432,896.72/1,388,851.05
6. Step 6: Final answer
   x = 884,427.05