Finding the Fourth Proportional to 884,287.30, 1,323,608.55 and 697,663.30

Step by Step Solution

1. Step 1: Write the proportion equation
   884,287.30 : 1,323,608.55 = 697,663.30 : x
2. Step 2: Convert to fraction form
   884,287.30/1,323,608.55 = 697,663.30/x
3. Step 3: Cross multiply
   884,287.30x = 1,323,608.55 × 697,663.30
4. Step 4: Simplify right side
   884,287.30x = 923,433,108,901.22
5. Step 5: Solve for x
   x = 923,433,108,901.22/884,287.30
6. Step 6: Final answer
   x = 1,044,268.20