Finding the Fourth Proportional to 538,100.76, 806,669.94 and 222,356.28

Step by Step Solution

1. Step 1: Write the proportion equation
   538,100.76 : 806,669.94 = 222,356.28 : x
2. Step 2: Convert to fraction form
   538,100.76/806,669.94 = 222,356.28/x
3. Step 3: Cross multiply
   538,100.76x = 806,669.94 × 222,356.28
4. Step 4: Simplify right side
   538,100.76x = 179,368,127,046.22
5. Step 5: Solve for x
   x = 179,368,127,046.22/538,100.76
6. Step 6: Final answer
   x = 333,335.58