Finding the Fourth Proportional to 922,944, 1,273,662.72 and 499,008

Step by Step Solution

1. Step 1: Write the proportion equation
   922,944 : 1,273,662.72 = 499,008 : x
2. Step 2: Convert to fraction form
   922,944/1,273,662.72 = 499,008/x
3. Step 3: Cross multiply
   922,944x = 1,273,662.72 × 499,008
4. Step 4: Simplify right side
   922,944x = 635,567,886,581.76
5. Step 5: Solve for x
   x = 635,567,886,581.76/922,944
6. Step 6: Final answer
   x = 688,631.04