Finding the Fourth Proportional to 849,662.33, 1,274,490.25 and 317,317.37

Step by Step Solution

1. Step 1: Write the proportion equation
   849,662.33 : 1,274,490.25 = 317,317.37 : x
2. Step 2: Convert to fraction form
   849,662.33/1,274,490.25 = 317,317.37/x
3. Step 3: Cross multiply
   849,662.33x = 1,274,490.25 × 317,317.37
4. Step 4: Simplify right side
   849,662.33x = 404,417,887,054.90
5. Step 5: Solve for x
   x = 404,417,887,054.90/849,662.33
6. Step 6: Final answer
   x = 475,974.84