Finding the Fourth Proportional to 1,082,443.20, 1,493,669.94 and 646,773.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,443.20 : 1,493,669.94 = 646,773.72 : x
2. Step 2: Convert to fraction form
   1,082,443.20/1,493,669.94 = 646,773.72/x
3. Step 3: Cross multiply
   1,082,443.20x = 1,493,669.94 × 646,773.72
4. Step 4: Simplify right side
   1,082,443.20x = 966,066,463,545.98
5. Step 5: Solve for x
   x = 966,066,463,545.98/1,082,443.20
6. Step 6: Final answer
   x = 892,486.98