Finding the Fourth Proportional to 1,079,086.78, 1,489,736.37 and 649,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079,086.78 : 1,489,736.37 = 649,472.50 : x
2. Step 2: Convert to fraction form
   1,079,086.78/1,489,736.37 = 649,472.50/x
3. Step 3: Cross multiply
   1,079,086.78x = 1,489,736.37 × 649,472.50
4. Step 4: Simplify right side
   1,079,086.78x = 967,542,804,564.83
5. Step 5: Solve for x
   x = 967,542,804,564.83/1,079,086.78
6. Step 6: Final answer
   x = 896,631.14