Finding the Fourth Proportional to 814,206, 1,123,604.76 and 496,254

Step by Step Solution

1. Step 1: Write the proportion equation
   814,206 : 1,123,604.76 = 496,254 : x
2. Step 2: Convert to fraction form
   814,206/1,123,604.76 = 496,254/x
3. Step 3: Cross multiply
   814,206x = 1,123,604.76 × 496,254
4. Step 4: Simplify right side
   814,206x = 557,593,356,569.04
5. Step 5: Solve for x
   x = 557,593,356,569.04/814,206
6. Step 6: Final answer
   x = 684,830.81