Finding the Fourth Proportional to 1,078,149.48, 1,488,324.51 and 696,362.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,149.48 : 1,488,324.51 = 696,362.46 : x
2. Step 2: Convert to fraction form
   1,078,149.48/1,488,324.51 = 696,362.46/x
3. Step 3: Cross multiply
   1,078,149.48x = 1,488,324.51 × 696,362.46
4. Step 4: Simplify right side
   1,078,149.48x = 1,036,413,317,061.89
5. Step 5: Solve for x
   x = 1,036,413,317,061.89/1,078,149.48
6. Step 6: Final answer
   x = 961,289.08