Finding the Fourth Proportional to 1,108,570.31, 1,530,243 and 726,621.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,570.31 : 1,530,243 = 726,621.69 : x
2. Step 2: Convert to fraction form
   1,108,570.31/1,530,243 = 726,621.69/x
3. Step 3: Cross multiply
   1,108,570.31x = 1,530,243 × 726,621.69
4. Step 4: Simplify right side
   1,108,570.31x = 1,111,907,754,770.67
5. Step 5: Solve for x
   x = 1,111,907,754,770.67/1,108,570.31
6. Step 6: Final answer
   x = 1,003,010.59