Finding the Fourth Proportional to 805,940.91, 1,111,144.32 and 584,979.57

Step by Step Solution

1. Step 1: Write the proportion equation
   805,940.91 : 1,111,144.32 = 584,979.57 : x
2. Step 2: Convert to fraction form
   805,940.91/1,111,144.32 = 584,979.57/x
3. Step 3: Cross multiply
   805,940.91x = 1,111,144.32 × 584,979.57
4. Step 4: Simplify right side
   805,940.91x = 649,996,726,521.54
5. Step 5: Solve for x
   x = 649,996,726,521.54/805,940.91
6. Step 6: Final answer
   x = 806,506.68