Finding the Fourth Proportional to 883,665.06, 1,219,382.88 and 496,450.10

Step by Step Solution

1. Step 1: Write the proportion equation
   883,665.06 : 1,219,382.88 = 496,450.10 : x
2. Step 2: Convert to fraction form
   883,665.06/1,219,382.88 = 496,450.10/x
3. Step 3: Cross multiply
   883,665.06x = 1,219,382.88 × 496,450.10
4. Step 4: Simplify right side
   883,665.06x = 605,362,746,617.37
5. Step 5: Solve for x
   x = 605,362,746,617.37/883,665.06
6. Step 6: Final answer
   x = 685,059.05